[PATCH] 9p: handle sget() failure
Handle a failing sget() in v9fs_get_sb(). Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -127,12 +127,13 @@ static struct super_block *v9fs_get_sb(struct file_system_type
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if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
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dprintk(DEBUG_ERROR, "problem initiating session\n");
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kfree(v9ses);
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return ERR_PTR(newfid);
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sb = ERR_PTR(newfid);
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goto out_free_session;
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}
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sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
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if (IS_ERR(sb))
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goto out_close_session;
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v9fs_fill_super(sb, v9ses, flags);
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inode = v9fs_get_inode(sb, S_IFDIR | mode);
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@ -185,6 +186,12 @@ static struct super_block *v9fs_get_sb(struct file_system_type
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return sb;
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out_close_session:
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v9fs_session_close(v9ses);
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out_free_session:
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kfree(v9ses);
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return sb;
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put_back_sb:
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/* deactivate_super calls v9fs_kill_super which will frees the rest */
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up_write(&sb->s_umount);
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