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| author | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-03-17 09:28:13 +0100 |
| commit | 37ba1b62836d2440980cf553c49556393b05c6cd (patch) | |
| tree | 3bbd9b76117d484d5a624db1b2b9ec0181c7ff55 /fs/sysfs/bin.c | |
| parent | 1713c0d508fbbb42aa5f90039195e5ac31a50625 (diff) | |
| parent | dde332b660cf0bc2baaba678b52768a0fb6e6da2 (diff) | |
Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc
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 66f6e58a7e4..f2c478c3424 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; |