Messages in this thread | | | Date | Mon, 19 Dec 2016 11:04:20 -0500 (EST) | Subject | Re: [v3] net: ethernet: cavium: octeon: octeon_mgmt: Handle return NULL error from devm_ioremap | From | David Miller <> |
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From: Arvind Yadav <arvind.yadav.cs@gmail.com> Date: Thu, 15 Dec 2016 00:33:30 +0530
> Here, If devm_ioremap will fail. It will return NULL. > 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>
Since ioremap() is in fact designed to possibly fail, we do need to always check it's return value. So this change is correct and I have applied it to the 'net' tree.
Thanks.
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