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linux-stable/drivers/hwtracing
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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
..
coresight coresight: cpu-debug: Replace mutex with mutex_trylock on panic notifier 2022-05-09 16:03:24 +01:00
intel_th intel_th: msu-sink: Potential dereference of null pointer 2022-07-08 15:42:55 +02:00
stm stm class: Use correct UUID APIs 2021-04-16 07:26:50 +02:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00