From: Swen Schillig <swen@vnet.ibm.com>
Date: Fri, 16 Jul 2010 13:37:40 +0000 (+0200)
Subject: [SCSI] zfcp: Prevent access on uninitialized memory.
X-Git-Tag: firefly_0821_release~9833^2~1305^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d23948ea38c4c6aa13e4df903dfdd71cabd0e6a3;p=firefly-linux-kernel-4.4.55.git

[SCSI] zfcp: Prevent access on uninitialized memory.

Initialize allocated memory to zero to prevent access on error. This
prevents a possible error in the error handling path.

Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
---

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 075852f6968c..a08d33a96ec9 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -1005,7 +1005,7 @@ int zfcp_dbf_adapter_register(struct zfcp_adapter *adapter)
 	char dbf_name[DEBUG_MAX_NAME_LEN];
 	struct zfcp_dbf *dbf;
 
-	dbf = kmalloc(sizeof(struct zfcp_dbf), GFP_KERNEL);
+	dbf = kzalloc(sizeof(struct zfcp_dbf), GFP_KERNEL);
 	if (!dbf)
 		return -ENOMEM;