diff mbox series

selftests/net: do_setcpu function not need to have a return value

Message ID 20240903095111.7204-1-liujing@cmss.chinamobile.com (mailing list archive)
State Rejected
Delegated to: Netdev Maintainers
Headers show
Series selftests/net: do_setcpu function not need to have a return value | expand

Checks

Context Check Description
netdev/series_format warning Single patches do not need cover letters; Target tree name not specified in the subject
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 7 this patch: 7
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 7 this patch: 7
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 15 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0
netdev/contest success net-next-2024-09-04--15-00 (tests: 718)

Commit Message

liujing Sept. 3, 2024, 9:51 a.m. UTC
in the do_setcpu, this function does not need to have a return value,
which is meaningless

Signed-off-by: Liu Jing <liujing@cmss.chinamobile.com>
---
 tools/testing/selftests/net/msg_zerocopy.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Simon Horman Sept. 3, 2024, 4:33 p.m. UTC | #1
On Tue, Sep 03, 2024 at 05:51:11PM +0800, Liu Jing wrote:
> in the do_setcpu, this function does not need to have a return value,
> which is meaningless
> 
> Signed-off-by: Liu Jing <liujing@cmss.chinamobile.com>

Thanks,

I also see that the caller does not check the return value.

Reviewed-by: Simon Horman <horms@kernel.org>
Jakub Kicinski Sept. 4, 2024, 11:39 p.m. UTC | #2
On Tue,  3 Sep 2024 17:51:11 +0800 Liu Jing wrote:
> in the do_setcpu, this function does not need to have a return value,
> which is meaningless

This test is flaky:
https://netdev.bots.linux.dev/contest.html?executor=vmksft-net-dbg&test=msg-zerocopy-sh
Could you please try to figure out what the problem is and fix it
instead of sending "cleanups"?
diff mbox series

Patch

diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c
index bdc03a2097e8..0b54f2011449 100644
--- a/tools/testing/selftests/net/msg_zerocopy.c
+++ b/tools/testing/selftests/net/msg_zerocopy.c
@@ -118,7 +118,7 @@  static uint16_t get_ip_csum(const uint16_t *start, int num_words)
 	return ~sum;
 }
 
-static int do_setcpu(int cpu)
+static void do_setcpu(int cpu)
 {
 	cpu_set_t mask;
 
@@ -129,7 +129,6 @@  static int do_setcpu(int cpu)
 	else if (cfg_verbose)
 		fprintf(stderr, "cpu: %u\n", cpu);
 
-	return 0;
 }
 
 static void do_setsockopt(int fd, int level, int optname, int val)