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82f76a4a72
linux/drivers/hwtracing/intel_th
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Jiasheng Jiang 82f76a4a72 intel_th: msu-sink: Potential dereference of null pointer 
The return value of dma_alloc_coherent() needs to be checked.
To avoid use of null pointer in sg_set_buf() in case of the failure of
alloc.

Fixes: f220df66f6 ("intel_th: msu-sink: An example msu buffer "sink"")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20220705082637.59979-3-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-08 15:42:55 +02:00
..
acpi.c intel_th: Communicate IRQ via resource 2019-05-03 18:14:29 +02:00
core.c bus: Make remove callback return void 2021-07-21 11:53:42 +02:00
debug.c intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate 2018-03-28 18:47:19 +03:00
debug.h intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate 2018-03-28 18:47:19 +03:00
gth.c intel_th: Wait until port is in reset before programming it 2021-06-24 15:49:32 +02:00
gth.h intel_th: Add switch triggering support 2019-05-03 18:16:21 +02:00
intel_th.h intel_th: Wait until port is in reset before programming it 2021-06-24 15:49:32 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
Makefile intel_th: msu-sink: An example msu buffer "sink" 2019-07-25 13:03:18 +02:00
msu-sink.c intel_th: msu-sink: Potential dereference of null pointer 2022-07-08 15:42:55 +02:00
msu.c intel_th: msu: Use memset_startat() for clearing hw header 2022-02-13 16:48:04 -08:00
msu.h Merge 5.3-rc5 into char-misc-next 2019-08-19 07:11:53 +02:00
pci.c intel_th: Fix a resource leak in an error handling path 2022-07-08 15:42:55 +02:00
pti.c intel_th: Constify attribute_group structs 2021-04-16 07:26:50 +02:00
pti.h intel_th: Use the correct style for SPDX License Identifier 2019-07-30 19:41:53 +02:00
sth.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
sth.h intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate 2018-03-28 18:47:19 +03:00