Commits
Kangjie Lu committed 1bbb1c318cd
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>