diff options
| author | Arvind Yadav <arvind.yadav.cs@gmail.com> | 2017-01-19 13:30:44 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-19 14:20:23 +0100 |
| commit | 2cc32b18d1243d65dc312478be08dd5856b44523 (patch) | |
| tree | eecf3cef1b71453cd6d04309839bfdccf50cfcbe /include/linux/tty.h | |
| parent | 28ec9570a22fcf42d5154f6a48dc5b2afdd8d9a3 (diff) | |
tty: serial: 8250: 8250_gsc:- Handle return NULL error from ioremap_nocache
Here, If ioremap_nocache 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/tty.h')
0 files changed, 0 insertions, 0 deletions