The current code copies a signed int from user space, converts it to
unsigned and passes the unsigned value to find_rdev_nr() which expects
a signed value. Simply pass the signed value from user space directly.
Signed-off-by: Andre Noll <maan@xxxxxxxxxxxxxxx>
---
drivers/md/md.c | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 90b6d1d..3f22ec7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4025,15 +4025,12 @@ out:
static int get_disk_info(mddev_t * mddev, void __user * arg)
{
mdu_disk_info_t info;
- unsigned int nr;
mdk_rdev_t *rdev;
if (copy_from_user(&info, arg, sizeof(info)))
return -EFAULT;
- nr = info.number;
-
- rdev = find_rdev_nr(mddev, nr);
+ rdev = find_rdev_nr(mddev, info.number);
if (rdev) {
info.major = MAJOR(rdev->bdev->bd_dev);
info.minor = MINOR(rdev->bdev->bd_dev);
--
1.5.3.8
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