projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: cf90c06) | patch
tty: ipwireless: fix missing checks for ioremap
authorKangjie Lu <kjlu@umn.edu>
Fri, 15 Mar 2019 07:07:12 +0000 (02:07 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Mar 2019 16:28:23 +0000 (01:28 +0900)
commit1bbb1c318cd8a3a39e8c3e2e83d5e90542d6c3e3
tree9b2823d0e57404a05ad09065eed8650df3790ff3tree | snapshot
parentcf90c06f8115016fa4a94644a26a4ba093f0055ecommit | diff
tty: ipwireless: fix missing checks for ioremap

ipw->attr_memory and ipw->common_memory are assigned with the
return value of ioremap. ioremap may fail, but no checks
are enforced. The fix inserts the checks to avoid potential
NULL pointer dereferences.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/ipwireless/main.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git