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(parent: 61cd19e) | patch
ata: sata_mv:- Handle return value of devm_ioremap.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Mon, 12 Dec 2016 17:43:27 +0000 (23:13 +0530)
committerTejun Heo <tj@kernel.org>
Fri, 6 Jan 2017 20:45:32 +0000 (15:45 -0500)
commitb39ac5a8ec47e61f26e3dff3b0811b9f97bf4516
tree9875da27d40d874837ecca529ba42e54bcc56b10tree | snapshot
parent61cd19e63e8f07eca1616389dd554cf294623f3fcommit | diff
ata: sata_mv:- Handle return value of devm_ioremap.

Here, If devm_ioremap will fail. It will return NULL.
Then hpriv->base = NULL - 0x20000; Kernel can run into
a NULL-pointer dereference. This error check will avoid
NULL pointer dereference.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
drivers/ata/sata_mv.c diff | blob | history
Linux Kernel Source Tree.