[PATCH v2] bus: mhi: host: free buffer on error in mhi_alloc_bhie_table

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img_info->mhi_buf should be freed on error path in mhi_alloc_bhie_table().
This error case is rare but still needs to be fixed.

Found by Linux Verification Center (linuxtesting.org).

Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Fedor Pchelkin <pchelkin@xxxxxxxxx>
---
v2: add missing Cc: stable, as Greg Kroah-Hartman's bot reported

 drivers/bus/mhi/host/boot.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c
index edc0ec5a0933..738dcd11b66f 100644
--- a/drivers/bus/mhi/host/boot.c
+++ b/drivers/bus/mhi/host/boot.c
@@ -357,6 +357,7 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl,
 	for (--i, --mhi_buf; i >= 0; i--, mhi_buf--)
 		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,
 				  mhi_buf->buf, mhi_buf->dma_addr);
+	kfree(img_info->mhi_buf);
 
 error_alloc_mhi_buf:
 	kfree(img_info);
-- 
2.39.2





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