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authorThomas Richter <tmricht@linux.ibm.com>2018-10-29 11:11:33 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-11-08 09:58:16 +0300
commit0bb2ae1b26e1fb7543ec7474cdd374ac4b88c4da (patch)
treef855d6a8d8d347a2337a718f837638810b5bbca1 /arch
parent02522ad77fb7619615720147dc5da18024cad577 (diff)
downloadlinux-0bb2ae1b26e1fb7543ec7474cdd374ac4b88c4da.tar.xz
s390/perf: Change CPUM_CF return code in event init function
The function perf_init_event() creates a new event and assignes it to a PMU. This a done in a loop over all existing PMUs. For each listed PMU the event init function is called and if this function does return any other error than -ENOENT, the loop is terminated the creation of the event fails. If the event is invalid, return -ENOENT to try other PMUs. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index cc085e2d2ce9..74091fd3101e 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -373,7 +373,7 @@ static int __hw_perf_event_init(struct perf_event *event)
return -ENOENT;
if (ev > PERF_CPUM_CF_MAX_CTR)
- return -EINVAL;
+ return -ENOENT;
/* Obtain the counter set to which the specified counter belongs */
set = get_counter_set(ev);