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authorYueHaibing <yuehaibing@huawei.com>2021-10-08 15:44:17 +0800
committerBoris Ostrovsky <boris.ostrovsky@oracle.com>2021-11-02 07:45:44 -0500
commit4745ea2628bb43a7ec34b71763b5a56407b33990 (patch)
tree1e3c9c436d8e884058805ca79950a478fc30be89 /drivers/xen
parent9a58b352e9e8a8c897acf6aae5cacd7d481965f9 (diff)
downloadlinux-4745ea2628bb43a7ec34b71763b5a56407b33990.tar.gz
xen-pciback: Fix return in pm_ctrl_init()
Return NULL instead of passing to ERR_PTR while err is zero,
this fix smatch warnings:
drivers/xen/xen-pciback/conf_space_capability.c:163
 pm_ctrl_init() warn: passing zero to 'ERR_PTR'

Fixes: a92336a1176b ("xen/pciback: Drop two backends, squash and cleanup some code.")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20211008074417.8260-1-yuehaibing@huawei.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/xen-pciback/conf_space_capability.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c
index 22f13abbe913..5e53b4817f16 100644
--- a/drivers/xen/xen-pciback/conf_space_capability.c
+++ b/drivers/xen/xen-pciback/conf_space_capability.c
@@ -160,7 +160,7 @@ static void *pm_ctrl_init(struct pci_dev *dev, int offset)
 	}
 
 out:
-	return ERR_PTR(err);
+	return err ? ERR_PTR(err) : NULL;
 }
 
 static const struct config_field caplist_pm[] = {