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Fix spa reference leak in zfs_ioc_pool_scan

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zfs_ioc_pool_scan leaks a spa reference when zc->zc_flags is not a
valid pool_scrub_cmd_t: this could happen if the userland binaries
and ZFS kernel module differ in version and would prevent the pool from
being exported.

Reviewed by: Matt Ahrens <matt@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #7380
This commit is contained in:
LOLi 2018-04-04 02:31:30 +02:00 committed by Brian Behlendorf
parent f119d00c1f
commit 1724eb62de
1 changed files with 3 additions and 3 deletions
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6
module/zfs/zfs_ioctl.c
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@ -1732,12 +1732,12 @@ zfs_ioc_pool_scan(zfs_cmd_t *zc)
spa_t *spa;
int error;
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
return (error);
if (zc->zc_flags >= POOL_SCRUB_FLAGS_END)
return (SET_ERROR(EINVAL));
if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
return (error);
if (zc->zc_flags == POOL_SCRUB_PAUSE)
error = spa_scrub_pause_resume(spa, POOL_SCRUB_PAUSE);
else if (zc->zc_cookie == POOL_SCAN_NONE)