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nvmet: fix return value check in nvmet_subsys_alloc()

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In case of error, the function kstrndup() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Jay Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Wei Yongjun 2016-07-06 12:02:09 +00:00 committed by Jens Axboe
parent e76debd996
commit 69555af2ce
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/target/core.c
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@ -895,7 +895,7 @@ struct nvmet_subsys *nvmet_subsys_alloc(const char *subsysnqn,
subsys->type = type;
subsys->subsysnqn = kstrndup(subsysnqn, NVMF_NQN_SIZE,
GFP_KERNEL);
if (IS_ERR(subsys->subsysnqn)) {
if (!subsys->subsysnqn) {
kfree(subsys);
return NULL;
}