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| author | Stephen Hemminger <stephen@networkplumber.org> | 2018-08-21 00:16:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-12 10:31:00 +0300 |
| commit | 6712cc9c22117a8af9f3df272b4a44fd2e4201cd (patch) | |
| tree | a611d54ecc7834995fc5f3371d8ccdb1ba652a79 /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 029d727b4f5d7c82f78e0395a0d220271c2f92b8 (diff) | |
| download | linux-6712cc9c22117a8af9f3df272b4a44fd2e4201cd.tar.xz | |
vmbus: don't return values for uninitalized channels
For unsupported device types, the vmbus channel ringbuffer is never
initialized, and therefore reading the sysfs files will return garbage
or cause a kernel OOPS.
Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info")
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org> # 4.15
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions