mirror of https://gitee.com/openkylin/linux.git
fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new()
d_alloc_name return NULL in case error, but we expect errno in devpts_pty_new. Addresses http://bugzilla.openvz.org/show_bug.cgi?id=1758 Signed-off-by: Andrey Vagin <avagin@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -502,7 +502,7 @@ int devpts_pty_new(struct inode *ptmx_inode, struct tty_struct *tty)
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mutex_lock(&root->d_inode->i_mutex);
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dentry = d_alloc_name(root, s);
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if (!IS_ERR(dentry)) {
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if (dentry) {
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d_add(dentry, inode);
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fsnotify_create(root->d_inode, dentry);
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} else {
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