From: Daniel Walker <dwalker@xxxxxxxxxx>
drivers/scsi/megaraid.c: In function â??megadev_ioctlâ??:
drivers/scsi/megaraid.c:3665: warning: ignoring return value of â??copy_to_userâ??, declared with attribute warn_unused_result
Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: <Neela.Kolli@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/scsi/megaraid.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN drivers/scsi/megaraid.c~megaraid-gcc-41-warning-fix drivers/scsi/megaraid.c
--- a/drivers/scsi/megaraid.c~megaraid-gcc-41-warning-fix
+++ a/drivers/scsi/megaraid.c
@@ -3662,8 +3662,9 @@ megadev_ioctl(struct inode *inode, struc
* Send the request sense data also, irrespective of
* whether the user has asked for it or not.
*/
- copy_to_user(upthru->reqsensearea,
- pthru->reqsensearea, 14);
+ if (copy_to_user(upthru->reqsensearea,
+ pthru->reqsensearea, 14))
+ rval = (-EFAULT);
freemem_and_return:
if( pthru->dataxferlen ) {
_
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