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| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-22 09:27:47 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-22 09:27:47 +0900 |
| commit | 99ce567ba912109c78762246c964327f3f81f27d (patch) | |
| tree | 685265d60792c11d386db6c005ca8b8e714ecc23 /fs/sysfs/bin.c | |
| parent | 8fb2bae4b41eb64f6e233e9bd3f3a789fbb04a06 (diff) | |
| parent | ccc5ff94c66e628d3c501b26ace5d4339667715d (diff) | |
| download | linux-99ce567ba912109c78762246c964327f3f81f27d.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/sysfs/bin.c')
| -rw-r--r-- | fs/sysfs/bin.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index 93e0c0281d45..9345806c8853 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -157,14 +157,9 @@ static ssize_t write(struct file *file, const char __user *userbuf, count = size - offs; } - temp = kmalloc(count, GFP_KERNEL); - if (!temp) - return -ENOMEM; - - if (copy_from_user(temp, userbuf, count)) { - count = -EFAULT; - goto out_free; - } + temp = memdup_user(userbuf, count); + if (IS_ERR(temp)) + return PTR_ERR(temp); mutex_lock(&bb->mutex); @@ -176,8 +171,6 @@ static ssize_t write(struct file *file, const char __user *userbuf, if (count > 0) *off = offs + count; -out_free: - kfree(temp); return count; } |