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| author | Jason Wang <[email protected]> | 2019-02-19 06:53:44 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2019-02-19 21:14:45 +0000 |
| commit | 816db7663565cd23f74ed3d5c9240522e3fb0dda (patch) | |
| tree | c44fa4c748a27f6898a07c14a5e6afa936e7f223 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf (diff) | |
| download | kernel-816db7663565cd23f74ed3d5c9240522e3fb0dda.tar.gz kernel-816db7663565cd23f74ed3d5c9240522e3fb0dda.zip | |
vhost: correctly check the return value of translate_desc() in log_used()
When fail, translate_desc() returns negative value, otherwise the
number of iovs. So we should fail when the return value is negative
instead of a blindly check against zero.
Detected by CoverityScan, CID# 1442593: Control flow issues (DEADCODE)
Fixes: cc5e71075947 ("vhost: log dirty page correctly")
Acked-by: Michael S. Tsirkin <[email protected]>
Reported-by: Stephen Hemminger <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions