| commit | 064c3db9c564cc5be514ac21fb4aa26cc33db746 | [log] [tgz] |
|---|---|---|
| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | Mon Dec 12 23:13:27 2016 +0530 |
| committer | Tejun Heo <tj@kernel.org> | Fri Jan 06 15:45:32 2017 -0500 |
| tree | 9875da27d40d874837ecca529ba42e54bcc56b10 | |
| parent | 2dae99558e86894e9e5dbf097477baaa5eb70134 [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