check the return value of kzalloc before accessing the memory pointer Signed-off-by: Hari Prasath Gujulan Elango <hgujulan(a)visteon.com&gt; --- 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