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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
commitf8965467f366fd18f01feafb5db10512d7b4422c (patch)
tree3706a9cd779859271ca61b85c63a1bc3f82d626e /net/mac80211/rc80211_minstrel_debugfs.c
parenta26272e5200765691e67d6780e52b32498fdb659 (diff)
parent2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits) qlcnic: adding co maintainer ixgbe: add support for active DA cables ixgbe: dcb, do not tag tc_prio_control frames ixgbe: fix ixgbe_tx_is_paused logic ixgbe: always enable vlan strip/insert when DCB is enabled ixgbe: remove some redundant code in setting FCoE FIP filter ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp ixgbe: fix header len when unsplit packet overflows to data buffer ipv6: Never schedule DAD timer on dead address ipv6: Use POSTDAD state ipv6: Use state_lock to protect ifa state ipv6: Replace inet6_ifaddr->dead with state cxgb4: notify upper drivers if the device is already up when they load cxgb4: keep interrupts available when the ports are brought down cxgb4: fix initial addition of MAC address cnic: Return SPQ credit to bnx2x after ring setup and shutdown. cnic: Convert cnic_local_flags to atomic ops. can: Fix SJA1000 command register writes on SMP systems bridge: fix build for CONFIG_SYSFS disabled ARCNET: Limit com20020 PCI ID matches for SOHARD cards ... Fix up various conflicts with pcmcia tree drivers/net/ {pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and wireless/orinoco/spectrum_cs.c} and feature removal (Documentation/feature-removal-schedule.txt). Also fix a non-content conflict due to pm_qos_requirement getting renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
Diffstat (limited to 'net/mac80211/rc80211_minstrel_debugfs.c')
-rw-r--r--net/mac80211/rc80211_minstrel_debugfs.c41
1 files changed, 9 insertions, 32 deletions
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c
index 0e1f12b1b6dd..241e76f3fdf2 100644
--- a/net/mac80211/rc80211_minstrel_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_debugfs.c
@@ -53,21 +53,15 @@
53#include <net/mac80211.h> 53#include <net/mac80211.h>
54#include "rc80211_minstrel.h" 54#include "rc80211_minstrel.h"
55 55
56struct minstrel_stats_info { 56int
57 struct minstrel_sta_info *mi;
58 char buf[4096];
59 size_t len;
60};
61
62static int
63minstrel_stats_open(struct inode *inode, struct file *file) 57minstrel_stats_open(struct inode *inode, struct file *file)
64{ 58{
65 struct minstrel_sta_info *mi = inode->i_private; 59 struct minstrel_sta_info *mi = inode->i_private;
66 struct minstrel_stats_info *ms; 60 struct minstrel_debugfs_info *ms;
67 unsigned int i, tp, prob, eprob; 61 unsigned int i, tp, prob, eprob;
68 char *p; 62 char *p;
69 63
70 ms = kmalloc(sizeof(*ms), GFP_KERNEL); 64 ms = kmalloc(sizeof(*ms) + 4096, GFP_KERNEL);
71 if (!ms) 65 if (!ms)
72 return -ENOMEM; 66 return -ENOMEM;
73 67
@@ -107,36 +101,19 @@ minstrel_stats_open(struct inode *inode, struct file *file)
107 return 0; 101 return 0;
108} 102}
109 103
110static ssize_t 104ssize_t
111minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *o) 105minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos)
112{ 106{
113 struct minstrel_stats_info *ms; 107 struct minstrel_debugfs_info *ms;
114 char *src;
115 108
116 ms = file->private_data; 109 ms = file->private_data;
117 src = ms->buf; 110 return simple_read_from_buffer(buf, len, ppos, ms->buf, ms->len);
118
119 len = min(len, ms->len);
120 if (len <= *o)
121 return 0;
122
123 src += *o;
124 len -= *o;
125 *o += len;
126
127 if (copy_to_user(buf, src, len))
128 return -EFAULT;
129
130 return len;
131} 111}
132 112
133static int 113int
134minstrel_stats_release(struct inode *inode, struct file *file) 114minstrel_stats_release(struct inode *inode, struct file *file)
135{ 115{
136 struct minstrel_stats_info *ms = file->private_data; 116 kfree(file->private_data);
137
138 kfree(ms);
139
140 return 0; 117 return 0;
141} 118}
142 119