[PATCH 2/2] RDMA/bnxt_re: Use common error handling code in bnxt_qplib_alloc_dpi_tbl()

SF Markus Elfring
2018-01-27T20:17:51Z

From: Markus Elfring <elfring-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Date: Sat, 27 Jan 2018 20:56:56 +0100

Add a jump target so that a bit of exception handling can be better reused
at the end of this function.

Signed-off-by: Markus Elfring <elfring-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
---
drivers/infiniband/hw/bnxt_re/qplib_res.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c
index 9dacfd24869b..539a5d44e6db 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c
@@ -705,10 +705,8 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res,
dpit->max = dbr_len / PAGE_SIZE;

dpit->app_tbl = kcalloc(dpit->max, sizeof(void *), GFP_KERNEL);
- if (!dpit->app_tbl) {
- pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem);
- return -ENOMEM;
- }
+ if (!dpit->app_tbl)
+ goto unmap_io;

bytes = dpit->max >> 3;
if (!bytes)
@@ -716,15 +714,18 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res,

dpit->tbl = kmalloc(bytes, GFP_KERNEL);
if (!dpit->tbl) {
- pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem);
kfree(dpit->app_tbl);
dpit->app_tbl = NULL;
- return -ENOMEM;
+ goto unmap_io;
}

memset((u8 *)dpit->tbl, 0xFF, bytes);

return 0;
+
+unmap_io:
+ pci_iounmap(res->pdev, dpit->dbr_bar_reg_iomem);
+ return -ENOMEM;
}

/* PKEYs */
--
2.16.1