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| author | Michael Mueller <mimu@linux.ibm.com> | 2020-03-03 16:42:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-17 16:12:16 +0200 |
| commit | f283e85d8480af3d75f6bd0060631562d2615937 (patch) | |
| tree | 991beb6ceb786c4b6d03879815d68d1cb9faa11e | |
| parent | cd123408b0b0895a969c59aab6da074884fbb617 (diff) | |
| download | linux-f283e85d8480af3d75f6bd0060631562d2615937.tar.gz linux-f283e85d8480af3d75f6bd0060631562d2615937.tar.bz2 linux-f283e85d8480af3d75f6bd0060631562d2615937.zip | |
s390/diag: fix display of diagnose call statistics
commit 6c7c851f1b666a8a455678a0b480b9162de86052 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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) |