sunrpc/cache: fix module refcnt leak in a failure path
Don't forget to release the module refcnt if seq_open() returns failure. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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@ -1244,8 +1244,10 @@ static int content_open(struct inode *inode, struct file *file,
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if (!cd || !try_module_get(cd->owner))
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return -EACCES;
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han = __seq_open_private(file, &cache_content_op, sizeof(*han));
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if (han == NULL)
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if (han == NULL) {
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module_put(cd->owner);
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return -ENOMEM;
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}
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han->cd = cd;
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return 0;
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