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authorIngo Molnar <mingo@elte.hu>2009-03-02 22:08:56 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-02 22:08:56 +0100
commitc02368a9d059322f913a58111eade87a656fefd5 (patch)
tree2f02dbbe69b86535f58d2010d9adfb20a9c16fb9 /fs/sysfs/bin.c
parentf17c75453b2d195eba0a90d9f16a3ba88c85b3b4 (diff)
parent778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff)
Merge branch 'linus' into irq/genirq
Diffstat (limited to 'fs/sysfs/bin.c')
-rw-r--r--fs/sysfs/bin.c6
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;