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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:40:28 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-26 10:40:28 -0800
commited803862954528e6fcf7bd0f2b2e5a772a7c3281 (patch)
treefce02fe5ebc10a5a8da5e034e2bb25d79d07a808 /fs/sysfs
parent6aeea60aee945449c93d9aa70638deeb5c4c5439 (diff)
parentc0e69a5bbc6fc74184aa043aadb9a53bc58f953b (diff)
downloadlwn-ed803862954528e6fcf7bd0f2b2e5a772a7c3281.tar.gz
lwn-ed803862954528e6fcf7bd0f2b2e5a772a7c3281.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: klist.c: bit 0 in pointer can't be used as flag debugfs: introduce stub for debugfs_create_size_t() when DEBUG_FS=n sysfs: fix problems with binary files PNP: fix broken pnp lowercasing for acpi module aliases driver core: Convert '/' to '!' in dev_set_name()
Diffstat (limited to 'fs/sysfs')
-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;