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| author | Su Yue <[email protected]> | 2018-05-30 08:48:56 +0000 |
|---|---|---|
| committer | David Sterba <[email protected]> | 2018-05-30 14:51:08 +0000 |
| commit | 090a127afa8f73e9618d4058d6755f7ec7453dd6 (patch) | |
| tree | 2ca06a315fa51310c4c544963ac9fef5e12079b5 /tools/perf/scripts/python/sctop.py | |
| parent | btrfs: drop useless member qgroup_reserved of btrfs_pending_snapshot (diff) | |
| download | kernel-090a127afa8f73e9618d4058d6755f7ec7453dd6.tar.gz kernel-090a127afa8f73e9618d4058d6755f7ec7453dd6.zip | |
btrfs: return error value if create_io_em failed in cow_file_range
In cow_file_range(), create_io_em() may fail, but its return value is
not recorded. Then return value may be 0 even it failed which is a
wrong behavior.
Let cow_file_range() return PTR_ERR(em) if create_io_em() failed.
Fixes: 6f9994dbabe5 ("Btrfs: create a helper to create em for IO")
CC: [email protected] # 4.11+
Signed-off-by: Su Yue <[email protected]>
Reviewed-by: Nikolay Borisov <[email protected]>
Signed-off-by: David Sterba <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
0 files changed, 0 insertions, 0 deletions