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authorTakashi Iwai <tiwai@suse.de>2011-08-08 10:45:31 +0200
committerTakashi Iwai <tiwai@suse.de>2011-08-08 10:45:31 +0200
commit8c285645ab3b05942124020b5f0b89d3b539823a (patch)
treedb15972689f7f0b794244294836a1233beb37dd4 /kernel/trace/trace_stack.c
parent151798f872d6b386d82cd1707ad703e981fef8f2 (diff)
parent844970916c8e50f630ea1a6ac82f09c42b12660a (diff)
Merge branch 'wm8996-rename' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound-2.6 into fix/asoc
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index b0b53b8e4c25..77575b386d97 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -156,20 +156,11 @@ stack_max_size_write(struct file *filp, const char __user *ubuf,
{
long *ptr = filp->private_data;
unsigned long val, flags;
- char buf[64];
int ret;
int cpu;
- if (count >= sizeof(buf))
- return -EINVAL;
-
- if (copy_from_user(&buf, ubuf, count))
- return -EFAULT;
-
- buf[count] = 0;
-
- ret = strict_strtoul(buf, 10, &val);
- if (ret < 0)
+ ret = kstrtoul_from_user(ubuf, count, 10, &val);
+ if (ret)
return ret;
local_irq_save(flags);