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49036ba889
When DMA-mapping of the bounce buffer fails, the driver tries to fall back, but it leaves the allocated host->bounce_buffer although its size is zero. Later on, the driver checks the use of bounce buffer with host->bounce_buffer pointer, and it tries to use the buffer incorrectly, resulting in Oops. This patch clears the release the unused buffer and clears the bounce_buffer pointer for addressing the problem. Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20210611101948.18972-1-tiwai@suse.de Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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