Gustavo A. R. Silva 61cb9ac66b powerpc/vas: Fix potential NULL pointer dereference ... (!ptr && !ptr->foo) strikes again. :) The expression (!ptr && !ptr->foo) is bogus and in case ptr is NULL, it leads to a NULL pointer dereference: ptr->foo. Fix this by converting && to || This issue was detected with the help of Coccinelle, and audited and fixed manually. Fixes: 1a0d0d5ed5 ("powerpc/vas: Add platform specific user window operations") Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20211015050345.GA1161918@embeddedor		2021-10-22 15:22:04 +11:00
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vas-api.c	powerpc/vas: Fix potential NULL pointer dereference	2021-10-22 15:22:04 +11:00