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[SCSI] mpt2sas: Added -ENOMEM return type when allocation fails

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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>
This commit is contained in:
Kashyap, Desai 2010-06-17 13:47:29 +05:30 committed by James Bottomley
parent f3eedd698e
commit 3e2e833a54
1 changed files with 10 additions and 1 deletions
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11
drivers/scsi/mpt2sas/mpt2sas_base.c
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@ -3634,8 +3634,10 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
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 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
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++)