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-rw-r--r--drivers/scsi/mvsas/mv_init.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index d40d734aa53a..f466a6aa8830 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -338,8 +338,11 @@ int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex)
res_start = pci_resource_start(pdev, bar);
res_len = pci_resource_len(pdev, bar);
- if (!res_start || !res_len)
+ if (!res_start || !res_len) {
+ iounmap(mvi->regs_ex);
+ mvi->regs_ex = NULL;
goto err_out;
+ }
res_flag = pci_resource_flags(pdev, bar);
if (res_flag & IORESOURCE_CACHEABLE)