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| author | Michael Mueller <mimu@linux.ibm.com> | 2020-03-03 16:42:01 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-03-25 12:39:37 +0100 |
| commit | 6c7c851f1b666a8a455678a0b480b9162de86052 (patch) | |
| tree | 15954ba758217d65e7b8abff4ea45de15c1cdd4c /arch/s390 | |
| parent | 3cc7c927102d8ce836735c1005a7d102a148579c (diff) | |
| download | lwn-6c7c851f1b666a8a455678a0b480b9162de86052.tar.gz lwn-6c7c851f1b666a8a455678a0b480b9162de86052.zip | |
s390/diag: fix display of diagnose call statistics
Show the full diag statistic table and not just parts of it.
The issue surfaced in a KVM guest with a number of vcpus
defined smaller than NR_DIAG_STAT.
Fixes: 1ec2772e0c3c ("s390/diag: add a statistic for diagnose calls")
Cc: stable@vger.kernel.org
Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/diag.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index e9dac9a24d3f..61f2b0412345 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -84,7 +84,7 @@ static int show_diag_stat(struct seq_file *m, void *v) static void *show_diag_stat_start(struct seq_file *m, loff_t *pos) { - return *pos <= nr_cpu_ids ? (void *)((unsigned long) *pos + 1) : NULL; + return *pos <= NR_DIAG_STAT ? (void *)((unsigned long) *pos + 1) : NULL; } static void *show_diag_stat_next(struct seq_file *m, void *v, loff_t *pos) |