Since kzalloc can be failed in memory pressure, return error when failed.
Signed-off-by: Insu Yun <wuni...@gmail.com>
---
drivers/ata/sata_sx4.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index fab504f..48301cb 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -1396,6 +1396,8 @@ static unsigned int pdc20621_dimm_init(struct ata_host
*host)
addr = 0;
length = size * 1024 * 1024;
buf = kzalloc(ECC_ERASE_BUF_SZ, GFP_KERNEL);
+ if (!buf)
+ return 1;
while (addr < length) {
pdc20621_put_to_dimm(host, buf, addr,
ECC_ERASE_BUF_SZ);
--
1.9.1
--
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