[SCSI] mpt2sas: Added -ENOMEM return type when allocation fails
In the driver mpt2sas_base_attach subroutine, we need to add
support to return the proper error code when there are memory allocation
failures, e.g. returning -ENOMEM.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index bb8acf7..d848744 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -3634,8 +3634,10 @@
ioc->pd_handles_sz++;
ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
GFP_KERNEL);
- if (!ioc->pd_handles)
+ if (!ioc->pd_handles) {
+ r = -ENOMEM;
goto out_free_resources;
+ }
ioc->fwfault_debug = mpt2sas_fwfault_debug;
@@ -3676,6 +3678,13 @@
goto out_free_resources;
}
+ if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
+ !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
+ !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
+ r = -ENOMEM;
+ goto out_free_resources;
+ }
+
init_completion(&ioc->shost_recovery_done);
for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)