Commit e895fedf authored Feb 14, 2019 by Bart Van Assche Committed by Christoph Hellwig Feb 20, 2019

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: 3b6592f7 ("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>

parent a467fc55

drivers/nvme/host/pci.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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();

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