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autofs: fix a leak in autofs_expire_indirect()
[ Upstream commit 03ad0d703d
]
if the second call of should_expire() in there ends up
grabbing and returning a new reference to dentry, we need
to drop it before continuing.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
parent
5cbcf71375
commit
4404070f6a
1 changed files with 3 additions and 2 deletions
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@ -472,9 +472,10 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
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*/
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*/
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flags &= ~AUTOFS_EXP_LEAVES;
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flags &= ~AUTOFS_EXP_LEAVES;
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found = should_expire(expired, mnt, timeout, how);
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found = should_expire(expired, mnt, timeout, how);
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if (!found || found != expired)
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if (found != expired) { // something has changed, continue
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/* Something has changed, continue */
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dput(found);
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goto next;
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goto next;
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}
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if (expired != dentry)
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if (expired != dentry)
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dput(dentry);
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dput(dentry);
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