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mtd: rawnand: meson: add missing ENOMEM check in meson_nfc_read_buf() 

kzalloc() can return NULL if memory could not be allocated. Check the
return value of the kzalloc() call in meson_nfc_read_buf() to make it
consistent with other memory allocations within the meson_nand driver.

Fixes: 8fae856c53 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Liang Yang <liang.yang@amlogic.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Martin Blumenstingl 2019-03-18 21:47:21 +01:00 committed by Miquel Raynal
parent b849f8b59c
commit 91e9dd7720
1 changed files with 3 additions and 0 deletions
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3
drivers/mtd/nand/raw/meson_nand.c
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@ -528,6 +528,9 @@ static int meson_nfc_read_buf(struct nand_chip *nand, u8 *buf, int len)
u8 *info;
info = kzalloc(PER_INFO_BYTE, GFP_KERNEL);
if (!info)
return -ENOMEM;
ret = meson_nfc_dma_buffer_setup(nand, buf, len, info,
PER_INFO_BYTE, DMA_FROM_DEVICE);
if (ret)