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[SCSI] zfcp: Zero memory for gpn_ft and adisc requests

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With debug kernels, the memory allocated with kmem_cache_alloc might
be initialized with the poison values 6b and a5. Use kmem_cache_zalloc
instead of kmem_cache_alloc to get zeroed memory and not send invalid
requests.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Christof Schmitt 2010-04-30 18:09:37 +02:00 committed by James Bottomley
parent 64deb6efdc
commit 6e51f085f6
1 changed files with 2 additions and 2 deletions
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4
drivers/s390/scsi/zfcp_fc.c
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@ -400,7 +400,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
struct zfcp_adapter *adapter = port->adapter; struct zfcp_adapter *adapter = port->adapter;
int ret; int ret;
adisc = kmem_cache_alloc(zfcp_data.adisc_cache, GFP_ATOMIC); adisc = kmem_cache_zalloc(zfcp_data.adisc_cache, GFP_ATOMIC);
if (!adisc) if (!adisc)
return -ENOMEM; return -ENOMEM;
@ -493,7 +493,7 @@ static struct zfcp_fc_gpn_ft *zfcp_alloc_sg_env(int buf_num)
if (!gpn_ft) if (!gpn_ft)
return NULL; return NULL;
req = kmem_cache_alloc(zfcp_data.gpn_ft_cache, GFP_KERNEL); req = kmem_cache_zalloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
if (!req) { if (!req) {
kfree(gpn_ft); kfree(gpn_ft);
gpn_ft = NULL; gpn_ft = NULL;