swiotlb: fix use after free on error handling path

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Don't dereference "mem" after it has been freed.  Flip the
two kfree()s around to address this bug.

Fixes: 26ffb91fa5e0 ("swiotlb: split up the global swiotlb lock")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Dan Carpenter 2022-07-15 11:19:50 +03:00 • committed by Christoph Hellwig

parent 20347fca71

commit 4a97739474

1 changed files with 1 additions and 1 deletions

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kernel/dma/swiotlb.c

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