Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: fsl-edma: don't explicitly disable clocks in .remove() The clocks in fsl_edma_engine::muxclk are allocated and enabled with devm_clk_get_enabled(), which automatically cleans these resources up, but these clocks are also manually disabled in fsl_edma_remove(). This causes warnings on driver removal for each clock: edma_module already disabled WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1200 clk_core_disable+0x198/0x1c8 [...] Call trace: clk_core_disable+0x198/0x1c8 (P) clk_disable+0x34/0x58 fsl_edma_remove+0x74/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]--- edma_module already unprepared WARNING: CPU: 0 PID: 418 at drivers/clk/clk.c:1059 clk_core_unprepare+0x1f8/0x220 [...] Call trace: clk_core_unprepare+0x1f8/0x220 (P) clk_unprepare+0x34/0x58 fsl_edma_remove+0x7c/0xe8 [fsl_edma] [...] ---[ end trace 0000000000000000 ]--- Fix these warnings by removing the unnecessary fsl_disable_clocks() call in fsl_edma_remove().
Product status
a9903de3aa16731846bf924342eca44bdabe9be6 (git) before 533d495f15e4c88ad5246c7f90ae026702e28d75
a9903de3aa16731846bf924342eca44bdabe9be6 (git) before 68feac21bd4de7ae4faba05704c404861d991fcf
a9903de3aa16731846bf924342eca44bdabe9be6 (git) before bda244871179543dd3be7d093236cb33b2fb1765
a9903de3aa16731846bf924342eca44bdabe9be6 (git) before b84dba68c4823da452cec99a5d213571a65d06de
a9903de3aa16731846bf924342eca44bdabe9be6 (git) before 666c53e94c1d0bf0bdf14c49505ece9ddbe725bc
6.6
Any version before 6.6
6.6.128 (semver)
6.12.75 (semver)
6.18.14 (semver)
6.19.4 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/533d495f15e4c88ad5246c7f90ae026702e28d75
git.kernel.org/...c/68feac21bd4de7ae4faba05704c404861d991fcf
git.kernel.org/...c/bda244871179543dd3be7d093236cb33b2fb1765
git.kernel.org/...c/b84dba68c4823da452cec99a5d213571a65d06de
git.kernel.org/...c/666c53e94c1d0bf0bdf14c49505ece9ddbe725bc