gigaset: use pr_err() and pr_info()

Switch from private printk wrapper macros to using pr_err() and
pr_info() from linux/kernel.h, at the same time unifying a few
error messages.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

8 files changed, 51 insertions, 58 deletions

diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 3eca9c8067f6..18dd8aacbe8d 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -2067,7 +2067,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
 
         bcs->hw.bas = ubc = kmalloc(sizeof(struct bas_bc_state), GFP_KERNEL);
         if (!ubc) {
-                err("could not allocate bas_bc_state");
+                pr_err("out of memory\n");
                 return 0;
         }
 
@@ -2081,7 +2081,7 @@ static int gigaset_initbcshw(struct bc_state *bcs)
         ubc->isooutdone = ubc->isooutfree = ubc->isooutovfl = NULL;
         ubc->numsub = 0;
         if (!(ubc->isooutbuf = kmalloc(sizeof(struct isowbuf_t), GFP_KERNEL))) {
-                err("could not allocate isochronous output buffer");
+                pr_err("out of memory\n");
                 kfree(ubc);
                 bcs->hw.bas = NULL;
                 return 0;
@@ -2136,8 +2136,10 @@ static int gigaset_initcshw(struct cardstate *cs)
         struct bas_cardstate *ucs;
 
         cs->hw.bas = ucs = kmalloc(sizeof *ucs, GFP_KERNEL);
-        if (!ucs)
+        if (!ucs) {
+                pr_err("out of memory\n");
                 return 0;
+        }
 
         ucs->urb_cmd_in = NULL;
         ucs->urb_cmd_out = NULL;
@@ -2503,11 +2505,11 @@ static int __init bas_gigaset_init(void)
         /* register this driver with the USB subsystem */
         result = usb_register(&gigaset_usb_driver);
         if (result < 0) {
-                err("usb_register failed (error %d)", -result);
+                pr_err("error %d registering USB driver\n", -result);
                 goto error;
         }
 
-        printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+        pr_info(DRIVER_DESC "\n");
         return 0;
 
 error:
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 1664e31a78c3..0048ce98bfa8 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -580,7 +580,7 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
         } else if ((bcs->skb = dev_alloc_skb(SBUFSIZE + HW_HDR_LEN)) != NULL)
                 skb_reserve(bcs->skb, HW_HDR_LEN);
         else {
-                err("could not allocate skb");
+                pr_err("out of memory\n");
                 bcs->inputstate |= INS_skip_frame;
         }
 
@@ -634,20 +634,20 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 
         gig_dbg(DEBUG_INIT, "allocating cs");
         if (!(cs = alloc_cs(drv))) {
-                err("maximum number of devices exceeded");
+                pr_err("maximum number of devices exceeded\n");
                 return NULL;
         }
 
         gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1);
         cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);
         if (!cs->bcs) {
-                err("out of memory");
+                pr_err("out of memory\n");
                 goto error;
         }
         gig_dbg(DEBUG_INIT, "allocating inbuf");
         cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL);
         if (!cs->inbuf) {
-                err("out of memory");
+                pr_err("out of memory\n");
                 goto error;
         }
 
@@ -690,7 +690,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
         for (i = 0; i < channels; ++i) {
                 gig_dbg(DEBUG_INIT, "setting up bcs[%d].read", i);
                 if (!gigaset_initbcs(cs->bcs + i, cs, i)) {
-                        err("could not allocate channel %d data", i);
+                        pr_err("could not allocate channel %d data\n", i);
                         goto error;
                 }
         }
@@ -720,17 +720,15 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 
         gig_dbg(DEBUG_INIT, "setting up iif");
         if (!gigaset_register_to_LL(cs, modulename)) {
-                err("register_isdn failed");
+                pr_err("error registering ISDN device\n");
                 goto error;
         }
 
         make_valid(cs, VALID_ID);
         ++cs->cs_init;
         gig_dbg(DEBUG_INIT, "setting up hw");
-        if (!cs->ops->initcshw(cs)) {
-                err("could not allocate device specific data");
+        if (!cs->ops->initcshw(cs))
                 goto error;
-        }
 
         ++cs->cs_init;
 
@@ -836,7 +834,7 @@ static void cleanup_cs(struct cardstate *cs)
         for (i = 0; i < cs->channels; ++i) {
                 gigaset_freebcs(cs->bcs + i);
                 if (!gigaset_initbcs(cs->bcs + i, cs, i))
-                        break;                  //FIXME error handling
+                        pr_err("could not allocate channel %d data\n", i);
         }
 
         if (cs->waiting) {
@@ -1120,7 +1118,7 @@ static int __init gigaset_init_module(void)
         if (gigaset_debuglevel == 1)
                 gigaset_debuglevel = DEBUG_DEFAULT;
 
-        printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+        pr_info(DRIVER_DESC "\n");
         return 0;
 }
 
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 901ff437e700..747178f03d2c 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -16,6 +16,9 @@
 #ifndef GIGASET_H
 #define GIGASET_H
 
+/* define global prefix for pr_ macros in linux/kernel.h */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
@@ -97,17 +100,6 @@ enum debuglevel {
                                          activated */
 };
 
-/* Kernel message macros for situations where dev_printk and friends cannot be
- * used for lack of reliable access to a device structure.
- * linux/usb.h already contains these but in an obsolete form which clutters
- * the log needlessly, and according to the USB maintainer those should be
- * removed rather than fixed anyway.
- */
-#undef err
-
-#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
-        format "\n" , ## arg)
-
 #ifdef CONFIG_GIGASET_DEBUG
 
 #define gig_dbg(level, format, arg...) \
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 3c127a8cbaf2..69a702f0db93 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -42,7 +42,7 @@ static int writebuf_from_LL(int driverID, int channel, int ack,
         unsigned skblen;
 
         if (!(cs = gigaset_get_cs_by_id(driverID))) {
-                err("%s: invalid driver ID (%d)", __func__, driverID);
+                pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
                 return -ENODEV;
         }
         if (channel < 0 || channel >= cs->channels) {
@@ -119,7 +119,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
         gigaset_debugdrivers();
 
         if (!cs) {
-                err("%s: invalid driver ID (%d)", __func__, cntrl->driver);
+                pr_err("%s: invalid driver ID (%d)\n", __func__, cntrl->driver);
                 return -ENODEV;
         }
 
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 956381cd2774..94fa84b2c4e7 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -107,7 +107,7 @@ static int if_config(struct cardstate *cs, int *arg)
                 return -EBUSY;
 
         if (!cs->connected) {
-                err("not connected!");
+                pr_err("%s: not connected\n", __func__);
                 return -ENODEV;
         }
 
@@ -188,7 +188,7 @@ static void if_close(struct tty_struct *tty, struct file *filp)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return;
         }
 
@@ -222,7 +222,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -297,7 +297,7 @@ static int if_tiocmget(struct tty_struct *tty, struct file *file)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -323,7 +323,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -354,7 +354,7 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -388,7 +388,7 @@ static int if_write_room(struct tty_struct *tty)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -420,7 +420,7 @@ static int if_chars_in_buffer(struct tty_struct *tty)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return -ENODEV;
         }
 
@@ -451,7 +451,7 @@ static void if_throttle(struct tty_struct *tty)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return;
         }
 
@@ -474,7 +474,7 @@ static void if_unthrottle(struct tty_struct *tty)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return;
         }
 
@@ -501,7 +501,7 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
 
         cs = (struct cardstate *) tty->driver_data;
         if (!cs) {
-                err("cs==NULL in %s", __func__);
+                pr_err("%s: no cardstate\n", __func__);
                 return;
         }
 
@@ -701,7 +701,7 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
         ret = tty_register_driver(tty);
         if (ret < 0) {
-                err("failed to register tty driver (error %d)", ret);
+                pr_err("error %d registering tty driver\n", ret);
                 goto error;
         }
         gig_dbg(DEBUG_IF, "tty driver initialized");
@@ -709,7 +709,7 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
         return;
 
 enomem:
-        err("could not allocate tty structures");
+        pr_err("out of memory\n");
 error:
         if (drv->tty)
                 put_tty_driver(drv->tty);
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index fbce5222d83c..4b8b58503854 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -173,13 +173,13 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
                 __func__, read, write, limit);
 #ifdef CONFIG_GIGASET_DEBUG
         if (unlikely(size < 0 || size > BAS_OUTBUFPAD)) {
-                err("invalid size %d", size);
+                pr_err("invalid size %d\n", size);
                 return -EINVAL;
         }
         src = iwb->read;
         if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
                      (read < src && limit >= src))) {
-                err("isoc write buffer frame reservation violated");
+                pr_err("isoc write buffer frame reservation violated\n");
                 return -EFAULT;
         }
 #endif
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index b306a2ff7312..ac245e7e96a5 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -407,7 +407,7 @@ static int gigaset_initcshw(struct cardstate *cs)
         int rc;
 
         if (!(cs->hw.ser = kzalloc(sizeof(struct ser_cardstate), GFP_KERNEL))) {
-                err("%s: out of memory!", __func__);
+                pr_err("out of memory\n");
                 return 0;
         }
 
@@ -415,7 +415,7 @@ static int gigaset_initcshw(struct cardstate *cs)
         cs->hw.ser->dev.id = cs->minor_index;
         cs->hw.ser->dev.dev.release = gigaset_device_release;
         if ((rc = platform_device_register(&cs->hw.ser->dev)) != 0) {
-                err("error %d registering platform device", rc);
+                pr_err("error %d registering platform device\n", rc);
                 kfree(cs->hw.ser);
                 cs->hw.ser = NULL;
                 return 0;
@@ -513,10 +513,10 @@ gigaset_tty_open(struct tty_struct *tty)
 
         gig_dbg(DEBUG_INIT, "Starting HLL for Gigaset M101");
 
-        printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+        pr_info(DRIVER_DESC "\n");
 
         if (!driver) {
-                err("%s: no driver structure", __func__);
+                pr_err("%s: no driver structure\n", __func__);
                 return -ENODEV;
         }
 
@@ -572,7 +572,7 @@ gigaset_tty_close(struct tty_struct *tty)
         tty->disc_data = NULL;
 
         if (!cs->hw.ser)
-                err("%s: no hw cardstate", __func__);
+                pr_err("%s: no hw cardstate\n", __func__);
         else {
                 /* wait for running methods to finish */
                 if (!atomic_dec_and_test(&cs->hw.ser->refcnt))
@@ -772,7 +772,7 @@ static int __init ser_gigaset_init(void)
 
         gig_dbg(DEBUG_INIT, "%s", __func__);
         if ((rc = platform_driver_register(&device_driver)) != 0) {
-                err("error %d registering platform driver", rc);
+                pr_err("error %d registering platform driver\n", rc);
                 return rc;
         }
 
@@ -783,7 +783,7 @@ static int __init ser_gigaset_init(void)
                 goto error;
 
         if ((rc = tty_register_ldisc(N_GIGASET_M101, &gigaset_ldisc)) != 0) {
-                err("error %d registering line discipline", rc);
+                pr_err("error %d registering line discipline\n", rc);
                 goto error;
         }
 
@@ -810,7 +810,7 @@ static void __exit ser_gigaset_exit(void)
         }
 
         if ((rc = tty_unregister_ldisc(N_GIGASET_M101)) != 0)
-                err("error %d unregistering line discipline", rc);
+                pr_err("error %d unregistering line discipline\n", rc);
 
         platform_driver_unregister(&device_driver);
 }
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index e847c6e6d3fd..fba61f670527 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -407,7 +407,7 @@ static void gigaset_read_int_callback(struct urb *urb)
         spin_lock_irqsave(&cs->lock, flags);
         if (!cs->connected) {
                 spin_unlock_irqrestore(&cs->lock, flags);
-                err("%s: disconnected", __func__);
+                pr_err("%s: disconnected\n", __func__);
                 return;
         }
         r = usb_submit_urb(urb, GFP_ATOMIC);
@@ -440,7 +440,7 @@ static void gigaset_write_bulk_callback(struct urb *urb)
 
         spin_lock_irqsave(&cs->lock, flags);
         if (!cs->connected) {
-                err("%s: not connected", __func__);
+                pr_err("%s: disconnected\n", __func__);
         } else {
                 cs->hw.usb->busy = 0;
                 tasklet_schedule(&cs->write_tasklet);
@@ -612,8 +612,10 @@ static int gigaset_initcshw(struct cardstate *cs)
 
         cs->hw.usb = ucs =
                 kmalloc(sizeof(struct usb_cardstate), GFP_KERNEL);
-        if (!ucs)
+        if (!ucs) {
+                pr_err("out of memory\n");
                 return 0;
+        }
 
         ucs->bchars[0] = 0;
         ucs->bchars[1] = 0;
@@ -936,12 +938,11 @@ static int __init usb_gigaset_init(void)
         /* register this driver with the USB subsystem */
         result = usb_register(&gigaset_usb_driver);
         if (result < 0) {
-                err("usb_gigaset: usb_register failed (error %d)",
-                    -result);
+                pr_err("error %d registering USB driver\n", -result);
                 goto error;
         }
 
-        printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+        pr_info(DRIVER_DESC "\n");
         return 0;
 
 error: