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| author | Bart Van Assche <bvanassche@acm.org> | 2019-02-14 14:50:54 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-02-20 07:18:07 -0700 |
| commit | e895fedf12dc0663a925b54eb0961fc927208097 (patch) | |
| tree | f7ab2d70f5aa53586ba11c23442ba06225bfd91d | |
| parent | a467fc55fc509e034e3f839dc1f6ceed74462da9 (diff) | |
| download | linux-e895fedf12dc0663a925b54eb0961fc927208097.tar.bz2 | |
nvme-pci: check kstrtoint() return value in queue_count_set()
This patch avoids that the compiler complains about 'ret' being set
but not being used when building with W=1.
Fixes: 3b6592f70ad7 ("nvme: utilize two queue maps, one for reads and one for writes") # v5.0-rc1
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
| -rw-r--r-- | drivers/nvme/host/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 022ea1ee63f8..84ed1bbce86b 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -157,6 +157,8 @@ static int queue_count_set(const char *val, const struct kernel_param *kp) int n = 0, ret; ret = kstrtoint(val, 10, &n); + if (ret) + return ret; if (n > num_possible_cpus()) n = num_possible_cpus(); |