diff options
| author | Anirudh Rayabharam <mail@anirudhrb.com> | 2021-05-03 13:56:42 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-03 08:22:07 +0200 |
| commit | b92170e209f7746ed72eaac98f2c2f4b9af734e6 (patch) | |
| tree | bf139152d051ea065a43f22e3bde4ed53d82e600 /kernel/locking/mutex-debug.c | |
| parent | cf5502e81afe9d7a4abad999c79eb54d53316c2e (diff) | |
net: fujitsu: fix potential null-ptr-deref
[ Upstream commit 52202be1cd996cde6e8969a128dc27ee45a7cb5e ]
In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer
deref. To fix this, check the return value of ioremap and return -1
to the caller in case of failure.
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com>
Link: https://lore.kernel.org/r/20210503115736.2104747-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel/locking/mutex-debug.c')
0 files changed, 0 insertions, 0 deletions