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Commit 6e51f085 authored by Christof Schmitt's avatar Christof Schmitt Committed by James Bottomley
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[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: default avatarChristof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 64deb6ef

drivers/s390/scsi/zfcp_fc.c

+2 −2
Original line number Diff line number Diff line
@@ -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;