mirror of https://gitee.com/openkylin/linux.git
vfs: live vfsmounts never have NULL ->mnt_sb
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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parent
4c1d5a64f1
commit
c972b4bc83
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@ -264,7 +264,7 @@ static int remount(struct super_block *sb, int *flags, char *data)
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return -EINVAL;
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}
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if (usbfs_mount && usbfs_mount->mnt_sb)
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if (usbfs_mount)
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update_sb(usbfs_mount->mnt_sb);
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return 0;
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@ -500,9 +500,8 @@ static int fs_create_by_name (const char *name, mode_t mode,
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* have around.
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*/
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if (!parent ) {
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if (usbfs_mount && usbfs_mount->mnt_sb) {
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if (usbfs_mount)
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parent = usbfs_mount->mnt_root;
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}
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}
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if (!parent) {
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@ -311,7 +311,7 @@ static int configfs_create_dir(struct config_item * item, struct dentry *dentry)
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if (item->ci_parent)
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parent = item->ci_parent->ci_dentry;
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else if (configfs_mount && configfs_mount->mnt_sb)
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else if (configfs_mount)
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parent = configfs_mount->mnt_root;
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else
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return -EFAULT;
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