[HPDD-discuss] [PATCH] staging: lustre: check kzalloc return value
check the return value of kzalloc before accessing the memory pointer
Signed-off-by: Hari Prasath Gujulan Elango <hgujulan(a)visteon.com>
---
drivers/staging/lustre/lustre/llite/llite_lib.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c
b/drivers/staging/lustre/lustre/llite/llite_lib.c
index bf1ec27..6fa5261 100644
--- a/drivers/staging/lustre/lustre/llite/llite_lib.c
+++ b/drivers/staging/lustre/lustre/llite/llite_lib.c
@@ -292,6 +292,10 @@ static int client_common_fill_super(struct super_block *sb, char *md,
char *dt,
char *buf;
buf = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
+ if (!buf) {
+ err = -ENOMEM;
+ goto out_md_fid;
+ }
obd_connect_flags2str(buf, PAGE_CACHE_SIZE,
valid ^ CLIENT_CONNECT_MDT_REQD, ",");
LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for
correct operation of this client (%s). Please upgrade server or downgrade
client.\n",
--
1.9.1