[PATCH 2/6] i7core_edac: fix error return code

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From: Julia Lawall <Julia.Lawall@xxxxxxx>

Return a negative error code on failure.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
identifier ret; expression e1,e2;
@@
(
if (\(ret < 0\|ret != 0\))
 { ... return ret; }
|
ret = 0
)
... when != ret = e1
    when != &ret
*if(...)
{
  ... when != ret = e2
      when forall
 return ret;
}
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
 drivers/edac/i7core_edac.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 9cd0b30..5da90de 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -1177,7 +1177,7 @@ static int i7core_create_sysfs_devices(struct mem_ctl_info *mci)
 
 	pvt->addrmatch_dev = kzalloc(sizeof(*pvt->addrmatch_dev), GFP_KERNEL);
 	if (!pvt->addrmatch_dev)
-		return rc;
+		return -ENOMEM;
 
 	pvt->addrmatch_dev->type = &addrmatch_type;
 	pvt->addrmatch_dev->bus = mci->dev.bus;
@@ -1198,7 +1198,7 @@ static int i7core_create_sysfs_devices(struct mem_ctl_info *mci)
 		if (!pvt->chancounts_dev) {
 			put_device(pvt->addrmatch_dev);
 			device_del(pvt->addrmatch_dev);
-			return rc;
+			return -ENOMEM;
 		}
 
 		pvt->chancounts_dev->type = &all_channel_counts_type;

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