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| author | Eric Miao <eric.miao@marvell.com> | 2009-03-09 21:21:07 +0800 |
|---|---|---|
| committer | Eric Miao <eric.miao@marvell.com> | 2009-03-09 21:21:07 +0800 |
| commit | abcea2c322cef559ef2f108b4763d107a5ccc37f (patch) | |
| tree | 5fec7fec372f9bdb70703f6c77bfc49cda945442 /fs/sysfs/bin.c | |
| parent | 8118aea23c328fd4913b325af53fda9d530b1d56 (diff) | |
| parent | 6d831c6554e4f95083919914955a1a3a4a6acfa9 (diff) | |
Merge branch 'devel' of ssh://master.kernel.org/home/rmk/linux-2.6-arm into devel
Diffstat (limited to 'fs/sysfs/bin.c')
| -rw-r--r-- | fs/sysfs/bin.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c index 66f6e58a7e4b..f2c478c3424e 100644 --- a/fs/sysfs/bin.c +++ b/fs/sysfs/bin.c @@ -63,6 +63,9 @@ read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off) int count = min_t(size_t, bytes, PAGE_SIZE); char *temp; + if (!bytes) + return 0; + if (size) { if (offs > size) return 0; @@ -131,6 +134,9 @@ static ssize_t write(struct file *file, const char __user *userbuf, int count = min_t(size_t, bytes, PAGE_SIZE); char *temp; + if (!bytes) + return 0; + if (size) { if (offs > size) return 0; |