Check copy_to_user() return value in drivers/scsi/megaraid.c::megadev_ioctl()
This gets rid of this little warning:
drivers/scsi/megaraid.c:3661: warning: ignoring return value of 'copy_to_user', declared with attribute warn_unused_result
Signed-off-by: Jesper Juhl <[email protected]>
---
drivers/scsi/megaraid.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- linux-2.6.18-rc7-git1-orig/drivers/scsi/megaraid.c 2006-09-15 13:51:15.121774000 +0200
+++ linux-2.6.18-rc7-git1/drivers/scsi/megaraid.c 2006-09-15 14:27:32.377407763 +0200
@@ -3658,8 +3658,9 @@ 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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