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0704a3da7c
dsp_hwec_enable() allocates dup pointer by kstrdup(arg), but then it updates dup variable by strsep(&dup, ","). As a result when it calls kfree(dup), the dup variable may be a modified pointer that no longer points to the original allocated memory, causing a memory leak. The issue is the same pattern as fixed in commitc6a502c229("mISDN: Fix memory leak in dsp_pipeline_build()"). Fixes:9a43816182("mISDN: Remove VLAs") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250828081457.36061-1-linmq006@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>