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linux/drivers/dma/ioat
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Alexander.Barabash@dell.com b0b5ce1010 ioat: ioat_alloc_ring() failure handling. 
If dma_alloc_coherent() returns NULL in ioat_alloc_ring(), ring
allocation must not proceed.

Until now, if the first call to dma_alloc_coherent() in
ioat_alloc_ring() returned NULL, the processing could proceed, failing
with NULL-pointer dereferencing further down the line.

Signed-off-by: Alexander Barabash <alexander.barabash@dell.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/75e9c0e84c3345d693c606c64f8b9ab5@x13pwhopdag1307.AMER.DELL.COM
Signed-off-by: Vinod Koul <vkoul@kernel.org>
 		2019-12-27 12:06:06 +05:30
..
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
dca.c dmanegine: ioat/dca: Use struct_size() helper 2019-09-04 10:17:14 +05:30
dma.c ioat: ioat_alloc_ring() failure handling. 2019-12-27 12:06:06 +05:30
dma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
hw.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
init.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291 2019-06-05 17:36:38 +02:00
prep.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291 2019-06-05 17:36:38 +02:00
registers.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
sysfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 291 2019-06-05 17:36:38 +02:00