* [PATCH] altera-stapl: Use swap() instead of open coding it
@ 2022-05-05 8:15 Jiapeng Chong
0 siblings, 0 replies; only message in thread
From: Jiapeng Chong @ 2022-05-05 8:15 UTC (permalink / raw)
To: arnd; +Cc: gregkh, linux-kernel, Jiapeng Chong, Abaci Robot
Clean the following coccicheck warning:
./drivers/misc/altera-stapl/altera.c:955:51-52: WARNING opportunity for
swap().
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
drivers/misc/altera-stapl/altera.c | 56 +++++++++---------------------
1 file changed, 16 insertions(+), 40 deletions(-)
diff --git a/drivers/misc/altera-stapl/altera.c b/drivers/misc/altera-stapl/altera.c
index 92c0611034b0..075f3a36d512 100644
--- a/drivers/misc/altera-stapl/altera.c
+++ b/drivers/misc/altera-stapl/altera.c
@@ -530,11 +530,8 @@ static int altera_execute(struct altera_state *astate,
}
break;
case OP_SWP:
- if (altera_check_stack(stack_ptr, 2, &status)) {
- long_tmp = stack[stack_ptr - 2];
- stack[stack_ptr - 2] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, 2, &status))
+ swap(stack[stack_ptr - 2], stack[stack_ptr - 1]);
break;
case OP_ADD:
if (altera_check_stack(stack_ptr, 2, &status)) {
@@ -912,34 +909,22 @@ static int altera_execute(struct altera_state *astate,
*/
/* SWP */
- if (altera_check_stack(stack_ptr, 2, &status)) {
- long_tmp = stack[stack_ptr - 2];
- stack[stack_ptr - 2] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, 2, &status))
+ swap(stack[stack_ptr - 2], stack[stack_ptr - 1]);
/* SWPN 7 */
index = 7 + 1;
- if (altera_check_stack(stack_ptr, index, &status)) {
- long_tmp = stack[stack_ptr - index];
- stack[stack_ptr - index] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, index, &status))
+ swap(stack[stack_ptr - index], stack[stack_ptr - 1]);
/* SWP */
- if (altera_check_stack(stack_ptr, 2, &status)) {
- long_tmp = stack[stack_ptr - 2];
- stack[stack_ptr - 2] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, 2, &status))
+ swap(stack[stack_ptr - 2], stack[stack_ptr - 1]);
/* SWPN 6 */
index = 6 + 1;
- if (altera_check_stack(stack_ptr, index, &status)) {
- long_tmp = stack[stack_ptr - index];
- stack[stack_ptr - index] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, index, &status))
+ swap(stack[stack_ptr - index], stack[stack_ptr - 1]);
/* DUPN 8 */
index = 8 + 1;
@@ -950,18 +935,12 @@ static int altera_execute(struct altera_state *astate,
/* SWPN 2 */
index = 2 + 1;
- if (altera_check_stack(stack_ptr, index, &status)) {
- long_tmp = stack[stack_ptr - index];
- stack[stack_ptr - index] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, index, &status))
+ swap(stack[stack_ptr - index], stack[stack_ptr - 1]);
/* SWP */
- if (altera_check_stack(stack_ptr, 2, &status)) {
- long_tmp = stack[stack_ptr - 2];
- stack[stack_ptr - 2] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, 2, &status))
+ swap(stack[stack_ptr - 2], stack[stack_ptr - 1]);
/* DUPN 6 */
index = 6 + 1;
@@ -1075,11 +1054,8 @@ static int altera_execute(struct altera_state *astate,
* to swap with top element
*/
index = (args[0]) + 1;
- if (altera_check_stack(stack_ptr, index, &status)) {
- long_tmp = stack[stack_ptr - index];
- stack[stack_ptr - index] = stack[stack_ptr - 1];
- stack[stack_ptr - 1] = long_tmp;
- }
+ if (altera_check_stack(stack_ptr, index, &status))
+ swap(stack[stack_ptr - index], stack[stack_ptr - 1]);
break;
case OP_DUPN:
/*
--
2.20.1.7.g153144c
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2022-05-05 8:16 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-05 8:15 [PATCH] altera-stapl: Use swap() instead of open coding it Jiapeng Chong
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).