From: Christof Schmitt Date: Fri, 30 Apr 2010 16:09:37 +0000 (+0200) Subject: [SCSI] zfcp: Zero memory for gpn_ft and adisc requests X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6e51f085f64a79c7647e88a8a019b7bd84f42255;p=linux-beck.git [SCSI] zfcp: Zero memory for gpn_ft and adisc requests 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 Signed-off-by: James Bottomley --- diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 2a1cbb74b99b..6f8ab43a4856 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -400,7 +400,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port) struct zfcp_adapter *adapter = port->adapter; int ret; - adisc = kmem_cache_alloc(zfcp_data.adisc_cache, GFP_ATOMIC); + adisc = kmem_cache_zalloc(zfcp_data.adisc_cache, GFP_ATOMIC); if (!adisc) return -ENOMEM; @@ -493,7 +493,7 @@ static struct zfcp_fc_gpn_ft *zfcp_alloc_sg_env(int buf_num) if (!gpn_ft) 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) { kfree(gpn_ft); gpn_ft = NULL;