nfs: nfs4clinet: check the return value of kstrdup()
authorXiaoke Wang <xkernel.wang@foxmail.com>
Thu, 16 Dec 2021 17:01:33 +0000 (01:01 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 16 Feb 2022 11:56:08 +0000 (12:56 +0100)
commit58967a232ab3bba3386177e1029ad9794aa514d2
treedd5b890322aba4d61e8d0fb6e451e18eb1a43d96
parentbbf647ecebc0bfbcf2e182391e54c80ddff5a067
nfs: nfs4clinet: check the return value of kstrdup()

[ Upstream commit fbd2057e5329d3502a27491190237b6be52a1cb6 ]

kstrdup() returns NULL when some internal memory errors happen, it is
better to check the return value of it so to catch the memory error in
time.

Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/nfs/nfs4client.c