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| author | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-07 12:22:15 +0200 |
| commit | 5f4457a4f62cc9d78e04c0eb12ff0540899aad89 (patch) | |
| tree | 0b973d527ea6b2ae31e08da0746b4965a3c5a6d8 /fs/sysfs/bin.c | |
| parent | 9b94b3a19b13e094c10f65f24bc358f6ffe4eacd (diff) | |
| parent | b87297fb405ef13cac375f202d114323b076a56d (diff) | |
| download | kernel-crypto-5f4457a4f62cc9d78e04c0eb12ff0540899aad89.tar.gz kernel-crypto-5f4457a4f62cc9d78e04c0eb12ff0540899aad89.tar.xz kernel-crypto-5f4457a4f62cc9d78e04c0eb12ff0540899aad89.zip | |
Merge branch 'linus' into x86/cpu
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 93e0c0281d4..9345806c885 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; } |