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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2014-01-07 16:56:35 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-01-08 15:22:49 -0800
commit634608f27acd098b245ca6fe60e06701185eb170 (patch)
tree1206ecfe325c1d14167a2cd72e0ca5f02f713893 /drivers/misc
parent3c1547e774b7d8485b7a1b15bb5e558d595ffc03 (diff)
misc: genwqe: fix return value check in genwqe_device_create()
In case of error, the function device_create_with_groups() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/genwqe/card_dev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
index 91a1c151afba..8f8a6b327cdb 100644
--- a/drivers/misc/genwqe/card_dev.c
+++ b/drivers/misc/genwqe/card_dev.c
@@ -1306,8 +1306,8 @@ int genwqe_device_create(struct genwqe_dev *cd)
genwqe_attribute_groups,
GENWQE_DEVNAME "%u_card",
cd->card_idx);
- if (cd->dev == NULL) {
- rc = -ENODEV;
+ if (IS_ERR(cd->dev)) {
+ rc = PTR_ERR(cd->dev);
goto err_cdev;
}