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| author | Rosen Penev <rosenp@gmail.com> | 2026-08-16 18:54:42 -0700 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2026-09-10 17:38:30 +0530 |
| commit | 140ebb6d10559a7d2d0c597926f1bfacf03c9f29 (patch) | |
| tree | 3b5ab786cbe6cd227387476299804f15c135ef33 /tools/perf/scripts/python/stackcollapse.py | |
| parent | a5f8e3471fc20567df888267885dec3eb340eb37 (diff) | |
| download | linux-next-140ebb6d10559a7d2d0c597926f1bfacf03c9f29.tar.gz linux-next-140ebb6d10559a7d2d0c597926f1bfacf03c9f29.zip | |
dmaengine: bestcomm: set bcom_eng to NULL on probe failure
Functions like bcom_task_alloc() use if (!bcom_eng) as a safety readiness
check. If the probe fails and hits this error path, subsequent or concurrent
API calls will bypass the check and dereference the freed memory.
Fixes: 9560aea4e9d1 ("[POWERPC] mpc5200: Fix null dereference if bestcomm fails to initialize")
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260817015442.136038-1-rosenp@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions