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| author | Tomaz Solc <tomaz.solc@tablix.org> | 2019-02-12 15:51:10 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-02-12 21:15:34 +0100 |
| commit | 823d116529647af29ccfe8f7dcfc7f4ea43122fe (patch) | |
| tree | 29d4c9d71b0f4251b93b001d2a77d9d1227eb59e /arch/arm/boards/raspberry-pi/rpi-common.c | |
| parent | e1483104aa781cee58130d1f803315ae365a2ffe (diff) | |
| download | barebox-823d116529647af29ccfe8f7dcfc7f4ea43122fe.tar.gz | |
ARM: rpi: avoid NULL dereference on unknown rev.
"model" pointer is NULL if current board revision isn't in the list of known
boards.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/raspberry-pi/rpi-common.c')
| -rw-r--r-- | arch/arm/boards/raspberry-pi/rpi-common.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/boards/raspberry-pi/rpi-common.c b/arch/arm/boards/raspberry-pi/rpi-common.c index 650b26ce7d..b2febec991 100644 --- a/arch/arm/boards/raspberry-pi/rpi-common.c +++ b/arch/arm/boards/raspberry-pi/rpi-common.c @@ -180,7 +180,7 @@ const struct rpi_model rpi_models_new_scheme[] = { }; static int rpi_board_rev = 0; -const struct rpi_model *model; +const struct rpi_model *model = NULL; static void rpi_get_board_rev(void) { @@ -251,6 +251,9 @@ unknown_rev: static void rpi_model_init(void) { + if (!model) + return; + if (!model->init) return; |