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Commit 5c4f1ad7 authored by Al Viro's avatar Al Viro
Browse files

cifs: tidy cifs_do_mount() up a bit 



Acked-by: default avatarPavel Shilovsky <piastryyy@gmail.com>
Reviewed-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent fa18f1bd

fs/cifs/cifsfs.c

+22 −22
Original line number Diff line number Diff line
@@ -656,16 +656,13 @@ cifs_do_mount(struct file_system_type *fs_type, 
	cifs_sb = kzalloc(sizeof(struct cifs_sb_info), GFP_KERNEL);

	if (cifs_sb == NULL) {

		root = ERR_PTR(-ENOMEM);

		unload_nls(volume_info->local_nls);

		goto out;

		goto out_nls;

	}



	cifs_sb->mountdata = kstrndup(data, PAGE_SIZE, GFP_KERNEL);

	if (cifs_sb->mountdata == NULL) {

		root = ERR_PTR(-ENOMEM);

		unload_nls(volume_info->local_nls);

		kfree(cifs_sb);

		goto out;

		goto out_cifs_sb;

	}



	cifs_setup_cifs_sb(volume_info, cifs_sb);
@@ -675,10 +672,7 @@ cifs_do_mount(struct file_system_type *fs_type, 
		if (!(flags & MS_SILENT))

			cERROR(1, "cifs_mount failed w/return code = %d", rc);

		root = ERR_PTR(rc);

		unload_nls(volume_info->local_nls);

		kfree(cifs_sb->mountdata);

		kfree(cifs_sb);

		goto out;

		goto out_mountdata;

	}



	mnt_data.vol = volume_info;
@@ -695,9 +689,7 @@ cifs_do_mount(struct file_system_type *fs_type, 
	if (sb->s_root) {

		cFYI(1, "Use existing superblock");

		cifs_umount(cifs_sb);

		goto out_shared;

	}



	} else {

		sb->s_flags = flags;

		/* BB should we make this contingent on mount parm? */

		sb->s_flags |= MS_NODIRATIME | MS_NOATIME;
@@ -709,8 +701,8 @@ cifs_do_mount(struct file_system_type *fs_type, 
		}



		sb->s_flags |= MS_ACTIVE;

	}



out_shared:

	root = cifs_get_root(volume_info, sb);

	if (root == NULL) {

		root = ERR_PTR(-EINVAL); /* XXX */
@@ -725,6 +717,14 @@ cifs_do_mount(struct file_system_type *fs_type, 
out:

	cifs_cleanup_volume_info(&volume_info);

	return root;



out_mountdata:

	kfree(cifs_sb->mountdata);

out_cifs_sb:

	kfree(cifs_sb);

out_nls:

	unload_nls(volume_info->local_nls);

	goto out;

}



static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,