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[u-boot-spi,v3,02/10] mtd: spi-nor-core: Check return value of write_enable() in spi_nor_erase()

Message ID 20211005135606.2246-3-kabel@kernel.org
State Accepted
Commit 5ea6dccee45ab941cfc78fbbfd9600ef24c5ca60
Delegated to: Jagannadha Sutradharudu Teki
Headers show
Series Fix `mtd erase` when used with mtdpart | expand

Commit Message

Marek Behún Oct. 5, 2021, 1:55 p.m. UTC 
From: Marek Behún <marek.behun@nic.cz>

The spi_nor_erase() function does not check return value of the
write_enable() call. Fix this.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
---
 drivers/mtd/spi/spi-nor-core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index d1e2bb47f7..11255aaab0 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -931,7 +931,9 @@  static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
 		if (ret < 0)
 			goto erase_err;
 #endif
-		write_enable(nor);
+		ret = write_enable(nor);
+		if (ret < 0)
+			goto erase_err;
 
 		ret = spi_nor_erase_sector(nor, addr);
 		if (ret < 0)