diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 03:26:34 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-12 03:26:34 -0400 |
commit | cbd09dbbb62096c1da627eca865f988d2ed0a84e (patch) | |
tree | 9601e631cee6651c638cc7b4d2d9b7cf20b6b485 | |
parent | d81fec0f97cce4aea36a89340af247523c1263a0 (diff) | |
parent | d4faaecbcc6d9ea4f7c05f6de6af98e2336a4afb (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[ZLIB]: Fix external builds of zlib_inflate code.
[TG3]: Fix APE induced regression
[SKY2]: version 1.19
[SKY2]: use netdevice stats struct
[SKY2]: fiber advertise bits initialization (trivial)
[SKY2]: fix power settings on Yukon XL
[SKY2]: ethtool register reserved area blackout
-rw-r--r-- | drivers/net/sky2.c | 114 | ||||
-rw-r--r-- | drivers/net/sky2.h | 2 | ||||
-rw-r--r-- | drivers/net/tg3.c | 7 | ||||
-rw-r--r-- | lib/zlib_inflate/Makefile | 2 | ||||
-rw-r--r-- | lib/zlib_inflate/inflate.c | 47 | ||||
-rw-r--r-- | lib/zlib_inflate/infutil.c | 49 |
6 files changed, 129 insertions, 92 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 0a3203465415..68f728f0b600 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c | |||
@@ -52,7 +52,7 @@ | |||
52 | #include "sky2.h" | 52 | #include "sky2.h" |
53 | 53 | ||
54 | #define DRV_NAME "sky2" | 54 | #define DRV_NAME "sky2" |
55 | #define DRV_VERSION "1.18" | 55 | #define DRV_VERSION "1.19" |
56 | #define PFX DRV_NAME " " | 56 | #define PFX DRV_NAME " " |
57 | 57 | ||
58 | /* | 58 | /* |
@@ -296,10 +296,10 @@ static const u16 copper_fc_adv[] = { | |||
296 | 296 | ||
297 | /* flow control to advertise bits when using 1000BaseX */ | 297 | /* flow control to advertise bits when using 1000BaseX */ |
298 | static const u16 fiber_fc_adv[] = { | 298 | static const u16 fiber_fc_adv[] = { |
299 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, | 299 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, |
300 | [FC_TX] = PHY_M_P_ASYM_MD_X, | 300 | [FC_TX] = PHY_M_P_ASYM_MD_X, |
301 | [FC_RX] = PHY_M_P_SYM_MD_X, | 301 | [FC_RX] = PHY_M_P_SYM_MD_X, |
302 | [FC_NONE] = PHY_M_P_NO_PAUSE_X, | 302 | [FC_BOTH] = PHY_M_P_BOTH_MD_X, |
303 | }; | 303 | }; |
304 | 304 | ||
305 | /* flow control to GMA disable bits */ | 305 | /* flow control to GMA disable bits */ |
@@ -606,20 +606,19 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) | |||
606 | { | 606 | { |
607 | struct pci_dev *pdev = hw->pdev; | 607 | struct pci_dev *pdev = hw->pdev; |
608 | u32 reg1; | 608 | u32 reg1; |
609 | static const u32 phy_power[] | 609 | static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; |
610 | = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; | 610 | static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; |
611 | |||
612 | /* looks like this XL is back asswards .. */ | ||
613 | if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) | ||
614 | onoff = !onoff; | ||
615 | 611 | ||
616 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); | 612 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); |
613 | /* Turn on/off phy power saving */ | ||
617 | if (onoff) | 614 | if (onoff) |
618 | /* Turn off phy power saving */ | ||
619 | reg1 &= ~phy_power[port]; | 615 | reg1 &= ~phy_power[port]; |
620 | else | 616 | else |
621 | reg1 |= phy_power[port]; | 617 | reg1 |= phy_power[port]; |
622 | 618 | ||
619 | if (onoff && hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1) | ||
620 | reg1 |= coma_mode[port]; | ||
621 | |||
623 | pci_write_config_dword(pdev, PCI_DEV_REG1, reg1); | 622 | pci_write_config_dword(pdev, PCI_DEV_REG1, reg1); |
624 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); | 623 | pci_read_config_dword(pdev, PCI_DEV_REG1, ®1); |
625 | 624 | ||
@@ -1636,8 +1635,8 @@ static void sky2_tx_complete(struct sky2_port *sky2, u16 done) | |||
1636 | printk(KERN_DEBUG "%s: tx done %u\n", | 1635 | printk(KERN_DEBUG "%s: tx done %u\n", |
1637 | dev->name, idx); | 1636 | dev->name, idx); |
1638 | 1637 | ||
1639 | sky2->net_stats.tx_packets++; | 1638 | dev->stats.tx_packets++; |
1640 | sky2->net_stats.tx_bytes += re->skb->len; | 1639 | dev->stats.tx_bytes += re->skb->len; |
1641 | 1640 | ||
1642 | dev_kfree_skb_any(re->skb); | 1641 | dev_kfree_skb_any(re->skb); |
1643 | sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE); | 1642 | sky2->tx_next = RING_NEXT(idx, TX_RING_SIZE); |
@@ -2205,16 +2204,16 @@ resubmit: | |||
2205 | len_error: | 2204 | len_error: |
2206 | /* Truncation of overlength packets | 2205 | /* Truncation of overlength packets |
2207 | causes PHY length to not match MAC length */ | 2206 | causes PHY length to not match MAC length */ |
2208 | ++sky2->net_stats.rx_length_errors; | 2207 | ++dev->stats.rx_length_errors; |
2209 | if (netif_msg_rx_err(sky2) && net_ratelimit()) | 2208 | if (netif_msg_rx_err(sky2) && net_ratelimit()) |
2210 | pr_info(PFX "%s: rx length error: status %#x length %d\n", | 2209 | pr_info(PFX "%s: rx length error: status %#x length %d\n", |
2211 | dev->name, status, length); | 2210 | dev->name, status, length); |
2212 | goto resubmit; | 2211 | goto resubmit; |
2213 | 2212 | ||
2214 | error: | 2213 | error: |
2215 | ++sky2->net_stats.rx_errors; | 2214 | ++dev->stats.rx_errors; |
2216 | if (status & GMR_FS_RX_FF_OV) { | 2215 | if (status & GMR_FS_RX_FF_OV) { |
2217 | sky2->net_stats.rx_over_errors++; | 2216 | dev->stats.rx_over_errors++; |
2218 | goto resubmit; | 2217 | goto resubmit; |
2219 | } | 2218 | } |
2220 | 2219 | ||
@@ -2223,11 +2222,11 @@ error: | |||
2223 | dev->name, status, length); | 2222 | dev->name, status, length); |
2224 | 2223 | ||
2225 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) | 2224 | if (status & (GMR_FS_LONG_ERR | GMR_FS_UN_SIZE)) |
2226 | sky2->net_stats.rx_length_errors++; | 2225 | dev->stats.rx_length_errors++; |
2227 | if (status & GMR_FS_FRAGMENT) | 2226 | if (status & GMR_FS_FRAGMENT) |
2228 | sky2->net_stats.rx_frame_errors++; | 2227 | dev->stats.rx_frame_errors++; |
2229 | if (status & GMR_FS_CRC_ERR) | 2228 | if (status & GMR_FS_CRC_ERR) |
2230 | sky2->net_stats.rx_crc_errors++; | 2229 | dev->stats.rx_crc_errors++; |
2231 | 2230 | ||
2232 | goto resubmit; | 2231 | goto resubmit; |
2233 | } | 2232 | } |
@@ -2272,7 +2271,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) | |||
2272 | ++rx[port]; | 2271 | ++rx[port]; |
2273 | skb = sky2_receive(dev, length, status); | 2272 | skb = sky2_receive(dev, length, status); |
2274 | if (unlikely(!skb)) { | 2273 | if (unlikely(!skb)) { |
2275 | sky2->net_stats.rx_dropped++; | 2274 | dev->stats.rx_dropped++; |
2276 | break; | 2275 | break; |
2277 | } | 2276 | } |
2278 | 2277 | ||
@@ -2287,8 +2286,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do, u16 idx) | |||
2287 | } | 2286 | } |
2288 | 2287 | ||
2289 | skb->protocol = eth_type_trans(skb, dev); | 2288 | skb->protocol = eth_type_trans(skb, dev); |
2290 | sky2->net_stats.rx_packets++; | 2289 | dev->stats.rx_packets++; |
2291 | sky2->net_stats.rx_bytes += skb->len; | 2290 | dev->stats.rx_bytes += skb->len; |
2292 | dev->last_rx = jiffies; | 2291 | dev->last_rx = jiffies; |
2293 | 2292 | ||
2294 | #ifdef SKY2_VLAN_TAG_USED | 2293 | #ifdef SKY2_VLAN_TAG_USED |
@@ -2479,12 +2478,12 @@ static void sky2_mac_intr(struct sky2_hw *hw, unsigned port) | |||
2479 | gma_read16(hw, port, GM_TX_IRQ_SRC); | 2478 | gma_read16(hw, port, GM_TX_IRQ_SRC); |
2480 | 2479 | ||
2481 | if (status & GM_IS_RX_FF_OR) { | 2480 | if (status & GM_IS_RX_FF_OR) { |
2482 | ++sky2->net_stats.rx_fifo_errors; | 2481 | ++dev->stats.rx_fifo_errors; |
2483 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); | 2482 | sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); |
2484 | } | 2483 | } |
2485 | 2484 | ||
2486 | if (status & GM_IS_TX_FF_UR) { | 2485 | if (status & GM_IS_TX_FF_UR) { |
2487 | ++sky2->net_stats.tx_fifo_errors; | 2486 | ++dev->stats.tx_fifo_errors; |
2488 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); | 2487 | sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_CLI_TX_FU); |
2489 | } | 2488 | } |
2490 | } | 2489 | } |
@@ -3223,12 +3222,6 @@ static void sky2_get_strings(struct net_device *dev, u32 stringset, u8 * data) | |||
3223 | } | 3222 | } |
3224 | } | 3223 | } |
3225 | 3224 | ||
3226 | static struct net_device_stats *sky2_get_stats(struct net_device *dev) | ||
3227 | { | ||
3228 | struct sky2_port *sky2 = netdev_priv(dev); | ||
3229 | return &sky2->net_stats; | ||
3230 | } | ||
3231 | |||
3232 | static int sky2_set_mac_address(struct net_device *dev, void *p) | 3225 | static int sky2_set_mac_address(struct net_device *dev, void *p) |
3233 | { | 3226 | { |
3234 | struct sky2_port *sky2 = netdev_priv(dev); | 3227 | struct sky2_port *sky2 = netdev_priv(dev); |
@@ -3569,20 +3562,64 @@ static void sky2_get_regs(struct net_device *dev, struct ethtool_regs *regs, | |||
3569 | { | 3562 | { |
3570 | const struct sky2_port *sky2 = netdev_priv(dev); | 3563 | const struct sky2_port *sky2 = netdev_priv(dev); |
3571 | const void __iomem *io = sky2->hw->regs; | 3564 | const void __iomem *io = sky2->hw->regs; |
3565 | unsigned int b; | ||
3572 | 3566 | ||
3573 | regs->version = 1; | 3567 | regs->version = 1; |
3574 | memset(p, 0, regs->len); | ||
3575 | |||
3576 | memcpy_fromio(p, io, B3_RAM_ADDR); | ||
3577 | 3568 | ||
3578 | /* skip diagnostic ram region */ | 3569 | for (b = 0; b < 128; b++) { |
3579 | memcpy_fromio(p + B3_RI_WTO_R1, io + B3_RI_WTO_R1, 0x2000 - B3_RI_WTO_R1); | 3570 | /* This complicated switch statement is to make sure and |
3571 | * only access regions that are unreserved. | ||
3572 | * Some blocks are only valid on dual port cards. | ||
3573 | * and block 3 has some special diagnostic registers that | ||
3574 | * are poison. | ||
3575 | */ | ||
3576 | switch (b) { | ||
3577 | case 3: | ||
3578 | /* skip diagnostic ram region */ | ||
3579 | memcpy_fromio(p + 0x10, io + 0x10, 128 - 0x10); | ||
3580 | break; | ||
3580 | 3581 | ||
3581 | /* copy GMAC registers */ | 3582 | /* dual port cards only */ |
3582 | memcpy_fromio(p + BASE_GMAC_1, io + BASE_GMAC_1, 0x1000); | 3583 | case 5: /* Tx Arbiter 2 */ |
3583 | if (sky2->hw->ports > 1) | 3584 | case 9: /* RX2 */ |
3584 | memcpy_fromio(p + BASE_GMAC_2, io + BASE_GMAC_2, 0x1000); | 3585 | case 14 ... 15: /* TX2 */ |
3586 | case 17: case 19: /* Ram Buffer 2 */ | ||
3587 | case 22 ... 23: /* Tx Ram Buffer 2 */ | ||
3588 | case 25: /* Rx MAC Fifo 1 */ | ||
3589 | case 27: /* Tx MAC Fifo 2 */ | ||
3590 | case 31: /* GPHY 2 */ | ||
3591 | case 40 ... 47: /* Pattern Ram 2 */ | ||
3592 | case 52: case 54: /* TCP Segmentation 2 */ | ||
3593 | case 112 ... 116: /* GMAC 2 */ | ||
3594 | if (sky2->hw->ports == 1) | ||
3595 | goto reserved; | ||
3596 | /* fall through */ | ||
3597 | case 0: /* Control */ | ||
3598 | case 2: /* Mac address */ | ||
3599 | case 4: /* Tx Arbiter 1 */ | ||
3600 | case 7: /* PCI express reg */ | ||
3601 | case 8: /* RX1 */ | ||
3602 | case 12 ... 13: /* TX1 */ | ||
3603 | case 16: case 18:/* Rx Ram Buffer 1 */ | ||
3604 | case 20 ... 21: /* Tx Ram Buffer 1 */ | ||
3605 | case 24: /* Rx MAC Fifo 1 */ | ||
3606 | case 26: /* Tx MAC Fifo 1 */ | ||
3607 | case 28 ... 29: /* Descriptor and status unit */ | ||
3608 | case 30: /* GPHY 1*/ | ||
3609 | case 32 ... 39: /* Pattern Ram 1 */ | ||
3610 | case 48: case 50: /* TCP Segmentation 1 */ | ||
3611 | case 56 ... 60: /* PCI space */ | ||
3612 | case 80 ... 84: /* GMAC 1 */ | ||
3613 | memcpy_fromio(p, io, 128); | ||
3614 | break; | ||
3615 | default: | ||
3616 | reserved: | ||
3617 | memset(p, 0, 128); | ||
3618 | } | ||
3585 | 3619 | ||
3620 | p += 128; | ||
3621 | io += 128; | ||
3622 | } | ||
3586 | } | 3623 | } |
3587 | 3624 | ||
3588 | /* In order to do Jumbo packets on these chips, need to turn off the | 3625 | /* In order to do Jumbo packets on these chips, need to turn off the |
@@ -3934,7 +3971,6 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, | |||
3934 | dev->stop = sky2_down; | 3971 | dev->stop = sky2_down; |
3935 | dev->do_ioctl = sky2_ioctl; | 3972 | dev->do_ioctl = sky2_ioctl; |
3936 | dev->hard_start_xmit = sky2_xmit_frame; | 3973 | dev->hard_start_xmit = sky2_xmit_frame; |
3937 | dev->get_stats = sky2_get_stats; | ||
3938 | dev->set_multicast_list = sky2_set_multicast; | 3974 | dev->set_multicast_list = sky2_set_multicast; |
3939 | dev->set_mac_address = sky2_set_mac_address; | 3975 | dev->set_mac_address = sky2_set_mac_address; |
3940 | dev->change_mtu = sky2_change_mtu; | 3976 | dev->change_mtu = sky2_change_mtu; |
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h index f4a3c2f403e5..49ee264064ab 100644 --- a/drivers/net/sky2.h +++ b/drivers/net/sky2.h | |||
@@ -2031,8 +2031,6 @@ struct sky2_port { | |||
2031 | #ifdef CONFIG_SKY2_DEBUG | 2031 | #ifdef CONFIG_SKY2_DEBUG |
2032 | struct dentry *debugfs; | 2032 | struct dentry *debugfs; |
2033 | #endif | 2033 | #endif |
2034 | struct net_device_stats net_stats; | ||
2035 | |||
2036 | }; | 2034 | }; |
2037 | 2035 | ||
2038 | struct sky2_hw { | 2036 | struct sky2_hw { |
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a402b5c01896..e795c33b982d 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c | |||
@@ -6985,9 +6985,10 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) | |||
6985 | break; | 6985 | break; |
6986 | }; | 6986 | }; |
6987 | 6987 | ||
6988 | /* Write our heartbeat update interval to APE. */ | 6988 | if (tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) |
6989 | tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS, | 6989 | /* Write our heartbeat update interval to APE. */ |
6990 | APE_HOST_HEARTBEAT_INT_DISABLE); | 6990 | tg3_ape_write32(tp, TG3_APE_HOST_HEARTBEAT_INT_MS, |
6991 | APE_HOST_HEARTBEAT_INT_DISABLE); | ||
6991 | 6992 | ||
6992 | tg3_write_sig_post_reset(tp, RESET_KIND_INIT); | 6993 | tg3_write_sig_post_reset(tp, RESET_KIND_INIT); |
6993 | 6994 | ||
diff --git a/lib/zlib_inflate/Makefile b/lib/zlib_inflate/Makefile index bf065482fa67..49f8ce5774d2 100644 --- a/lib/zlib_inflate/Makefile +++ b/lib/zlib_inflate/Makefile | |||
@@ -15,5 +15,5 @@ | |||
15 | 15 | ||
16 | obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o | 16 | obj-$(CONFIG_ZLIB_INFLATE) += zlib_inflate.o |
17 | 17 | ||
18 | zlib_inflate-objs := inffast.o inflate.o \ | 18 | zlib_inflate-objs := inffast.o inflate.o infutil.o \ |
19 | inftrees.o inflate_syms.o | 19 | inftrees.o inflate_syms.o |
diff --git a/lib/zlib_inflate/inflate.c b/lib/zlib_inflate/inflate.c index 0ad1ebf00947..f5ce87b0800e 100644 --- a/lib/zlib_inflate/inflate.c +++ b/lib/zlib_inflate/inflate.c | |||
@@ -916,50 +916,3 @@ int zlib_inflateIncomp(z_stream *z) | |||
916 | 916 | ||
917 | return Z_OK; | 917 | return Z_OK; |
918 | } | 918 | } |
919 | |||
920 | #include <linux/errno.h> | ||
921 | #include <linux/slab.h> | ||
922 | #include <linux/vmalloc.h> | ||
923 | |||
924 | /* Utility function: initialize zlib, unpack binary blob, clean up zlib, | ||
925 | * return len or negative error code. */ | ||
926 | int zlib_inflate_blob(void *gunzip_buf, unsigned sz, const void *buf, unsigned len) | ||
927 | { | ||
928 | const u8 *zbuf = buf; | ||
929 | struct z_stream_s *strm; | ||
930 | int rc; | ||
931 | |||
932 | rc = -ENOMEM; | ||
933 | strm = kmalloc(sizeof(*strm), GFP_KERNEL); | ||
934 | if (strm == NULL) | ||
935 | goto gunzip_nomem1; | ||
936 | strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL); | ||
937 | if (strm->workspace == NULL) | ||
938 | goto gunzip_nomem2; | ||
939 | |||
940 | /* gzip header (1f,8b,08... 10 bytes total + possible asciz filename) | ||
941 | * expected to be stripped from input */ | ||
942 | |||
943 | strm->next_in = zbuf; | ||
944 | strm->avail_in = len; | ||
945 | strm->next_out = gunzip_buf; | ||
946 | strm->avail_out = sz; | ||
947 | |||
948 | rc = zlib_inflateInit2(strm, -MAX_WBITS); | ||
949 | if (rc == Z_OK) { | ||
950 | rc = zlib_inflate(strm, Z_FINISH); | ||
951 | /* after Z_FINISH, only Z_STREAM_END is "we unpacked it all" */ | ||
952 | if (rc == Z_STREAM_END) | ||
953 | rc = sz - strm->avail_out; | ||
954 | else | ||
955 | rc = -EINVAL; | ||
956 | zlib_inflateEnd(strm); | ||
957 | } else | ||
958 | rc = -EINVAL; | ||
959 | |||
960 | kfree(strm->workspace); | ||
961 | gunzip_nomem2: | ||
962 | kfree(strm); | ||
963 | gunzip_nomem1: | ||
964 | return rc; /* returns Z_OK (0) if successful */ | ||
965 | } | ||
diff --git a/lib/zlib_inflate/infutil.c b/lib/zlib_inflate/infutil.c new file mode 100644 index 000000000000..4824c2cc7a09 --- /dev/null +++ b/lib/zlib_inflate/infutil.c | |||
@@ -0,0 +1,49 @@ | |||
1 | #include <linux/zutil.h> | ||
2 | #include <linux/errno.h> | ||
3 | #include <linux/slab.h> | ||
4 | #include <linux/vmalloc.h> | ||
5 | |||
6 | /* Utility function: initialize zlib, unpack binary blob, clean up zlib, | ||
7 | * return len or negative error code. | ||
8 | */ | ||
9 | int zlib_inflate_blob(void *gunzip_buf, unsigned int sz, | ||
10 | const void *buf, unsigned int len) | ||
11 | { | ||
12 | const u8 *zbuf = buf; | ||
13 | struct z_stream_s *strm; | ||
14 | int rc; | ||
15 | |||
16 | rc = -ENOMEM; | ||
17 | strm = kmalloc(sizeof(*strm), GFP_KERNEL); | ||
18 | if (strm == NULL) | ||
19 | goto gunzip_nomem1; | ||
20 | strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL); | ||
21 | if (strm->workspace == NULL) | ||
22 | goto gunzip_nomem2; | ||
23 | |||
24 | /* gzip header (1f,8b,08... 10 bytes total + possible asciz filename) | ||
25 | * expected to be stripped from input | ||
26 | */ | ||
27 | strm->next_in = zbuf; | ||
28 | strm->avail_in = len; | ||
29 | strm->next_out = gunzip_buf; | ||
30 | strm->avail_out = sz; | ||
31 | |||
32 | rc = zlib_inflateInit2(strm, -MAX_WBITS); | ||
33 | if (rc == Z_OK) { | ||
34 | rc = zlib_inflate(strm, Z_FINISH); | ||
35 | /* after Z_FINISH, only Z_STREAM_END is "we unpacked it all" */ | ||
36 | if (rc == Z_STREAM_END) | ||
37 | rc = sz - strm->avail_out; | ||
38 | else | ||
39 | rc = -EINVAL; | ||
40 | zlib_inflateEnd(strm); | ||
41 | } else | ||
42 | rc = -EINVAL; | ||
43 | |||
44 | kfree(strm->workspace); | ||
45 | gunzip_nomem2: | ||
46 | kfree(strm); | ||
47 | gunzip_nomem1: | ||
48 | return rc; /* returns Z_OK (0) if successful */ | ||
49 | } | ||