of_match_device could return NULL, and so cause a NULL pointer
dereference later.
Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
---
drivers/mtd/nand/atmel_nand.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 475c938..7902967 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1496,8 +1496,9 @@ static int atmel_of_init_port(struct atmel_nand_host
*host,
struct atmel_nand_data *board = &host->board;
enum of_gpio_flags flags = 0;
- host->caps = (struct atmel_nand_caps *)
- of_match_device(atmel_nand_dt_ids, host->dev)->data;
+ host->caps = of_device_get_match_data(host->dev);
+ if (!host->caps)
+ return 1;
if (of_property_read_u32(np, "atmel,nand-addr-offset", &val) == 0) {
if (val >= 32) {
--
2.4.10
--
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