IB/ehca: Drop unnecessary NULL test
Author: Julia Lawall <julia@diku.dk>
list_for_each_entry binds its first argument to a non-null value, and thus
any null test on the value of that argument is superfluous.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
//
@@
iterator I;
expression x;
statement S,S1,S2;
@@
I(x,...) { <...
- if (x == NULL && ...) S
...> }
//
Signed-off-by: Julia Lawall
Acked-by: Alexander Schmidt
Signed-off-by: Roland Dreier
---
drivers/infiniband/hw/ehca/ehca_mrmw.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index 31a68b9..53f4cd4 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -933,11 +933,6 @@ int ehca_unmap_fmr(struct list_head *fmr_list)
/* check all FMR belong to same SHCA, and check internal flag */
list_for_each_entry(ib_fmr, fmr_list, list) {
prev_shca = shca;
- if (!ib_fmr) {
- ehca_gen_err("bad fmr=%p in list", ib_fmr);
- ret = -EINVAL;
- goto unmap_fmr_exit0;
- }
shca = container_of(ib_fmr->device, struct ehca_shca,
ib_device);
e_fmr = container_of(ib_fmr, struct ehca_mr, ib.ib_fmr); |
---
drivers/infiniband/hw/ehca/ehca_mrmw.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index 31a68b9..53f4cd4 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -933,11 +933,6 @@ int ehca_unmap_fmr(struct list_head *fmr_list)
/* check all FMR belong to same SHCA, and check internal flag */
list_for_each_entry(ib_fmr, fmr_list, list) {
prev_shca = shca;
- if (!ib_fmr) {
- ehca_gen_err("bad fmr=%p in list", ib_fmr);
- ret = -EINVAL;
- goto unmap_fmr_exit0;
- }
shca = container_of(ib_fmr->device, struct ehca_shca,
ib_device);
e_fmr = container_of(ib_fmr, struct ehca_mr, ib.ib_fmr);