diff options
| author | Kashyap, Desai <kashyap.desai@lsi.com> | 2010-04-05 12:51:07 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 22:42:46 +0400 |
| commit | 66a679365780a8d775b1ed03e2576007f7100121 (patch) | |
| tree | 9e9c4d4341f77fb5692cad739e0392ebcea6ce66 | |
| parent | ef7c80c1f18f2c5eea2dabd214f12e0c93ac29cf (diff) | |
| download | linux-66a679365780a8d775b1ed03e2576007f7100121.tar.xz | |
[SCSI] mpt2sas: Check for NULL pointer before free_pages is added.
Added check before free_pages just to make sure ioc->scsi_lookup is not NULL.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index b04ccad7d972..b830d61684dd 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -1919,7 +1919,10 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) ioc->config_page, ioc->config_page_dma); } - free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); + if (ioc->scsi_lookup) { + free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); + ioc->scsi_lookup = NULL; + } kfree(ioc->hpr_lookup); kfree(ioc->internal_lookup); } |