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Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/agp/backend.c3
-rw-r--r--drivers/char/apm-emulation.c5
-rw-r--r--drivers/char/raw.c3
-rw-r--r--drivers/char/rtc.c7
4 files changed, 6 insertions, 12 deletions
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index f27d0d0816d3..4b71647782d0 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -171,7 +171,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
}
got_gatt = 1;
- bridge->key_list = vmalloc(PAGE_SIZE * 4);
+ bridge->key_list = vzalloc(PAGE_SIZE * 4);
if (bridge->key_list == NULL) {
dev_err(&bridge->dev->dev,
"can't allocate memory for key lists\n");
@@ -181,7 +181,6 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
got_keylist = 1;
/* FIXME vmalloc'd memory not guaranteed contiguous */
- memset(bridge->key_list, 0, PAGE_SIZE * 4);
if (bridge->driver->configure()) {
dev_err(&bridge->dev->dev, "error configuring host chipset\n");
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 2a2b8fd708c1..f4837a893dfa 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -40,10 +40,7 @@
#define APM_MINOR_DEV 134
/*
- * See Documentation/Config.help for the configuration options.
- *
- * Various options can be changed at boot time as follows:
- * (We allow underscores for compatibility with the modules code)
+ * One option can be changed at boot time as follows:
* apm=on/off enable/disable APM
*/
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index b33e8ea314ed..b6de2c047145 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -324,13 +324,12 @@ static int __init raw_init(void)
max_raw_minors = MAX_RAW_MINORS;
}
- raw_devices = vmalloc(sizeof(struct raw_device_data) * max_raw_minors);
+ raw_devices = vzalloc(sizeof(struct raw_device_data) * max_raw_minors);
if (!raw_devices) {
printk(KERN_ERR "Not enough memory for raw device structures\n");
ret = -ENOMEM;
goto error;
}
- memset(raw_devices, 0, sizeof(struct raw_device_data) * max_raw_minors);
ret = register_chrdev_region(dev, max_raw_minors, "raw");
if (ret)
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index dfa8b3062fda..ccd124ab7ca7 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -80,6 +80,7 @@
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/uaccess.h>
+#include <linux/ratelimit.h>
#include <asm/current.h>
#include <asm/system.h>
@@ -1195,10 +1196,8 @@ static void rtc_dropped_irq(unsigned long data)
spin_unlock_irq(&rtc_lock);
- if (printk_ratelimit()) {
- printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
- freq);
- }
+ printk_ratelimited(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
+ freq);
/* Now we have new data */
wake_up_interruptible(&rtc_wait);