SCSI: megaraid_sas: fix memory leak if SGL has zero length entries
SCSI: megaraid_sas: fix memory leak if SGL has zero length entries

commit 7a6a731bd00ca90d0e250867c3b9c05b5ff0fa49 upstream.

commit 98cb7e44 ([SCSI] megaraid_sas: Sanity check user
supplied length before passing it to dma_alloc_coherent())
introduced a memory leak.  Memory allocated for entries
following zero length SGL entries will not be freed.

Reference: http://bugs.debian.org/688198

Signed-off-by: Bjørn Mork <8a2957e0063f2abf61bd145b6236a74a3708ac54@mork.no>
Acked-by: Adam Radford <3dbf2d2fbfb3484492c697dc4586b54d94b4a311@gmail.com>
Signed-off-by: James Bottomley <1acebbdca565c7b6b638bdc23b58b5610d1a56b8@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>


TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas