ata: pata_pxa: Fix potential NULL pointer dereference in pxa_ata_probe()
[ Upstream commit ad320e408a8c95a282ab9c05cdf0c9b95e317985 ] devm_ioremap() returns NULL on error. Currently, pxa_ata_probe() does not check for this case, which can result in a NULL pointer dereference. Add NULL check after devm_ioremap() to prevent this issue. Fixes: 2dc6c6f1 ("[ARM] pata_pxa: DMA-capable PATA driver") Signed-off-by:Henry Martin <bsdhenrymartin@gmail.com> Signed-off-by:
Damien Le Moal <dlemoal@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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