Commit ecd400ce authored by Alexander Sverdlin's avatar Alexander Sverdlin Committed by Miquel Raynal
Browse files

mtd: char: Drop mtd_mutex usage from mtdchar_open() 



It looks unnecessary in the function, remove it from the function
having in mind to remove it completely.

Signed-off-by: default avatarAlexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210217211845.43364-1-alexander.sverdlin@nokia.com
parent cb454305

drivers/mtd/mtdchar.c

+2 −8
Original line number Diff line number Diff line
@@ -58,13 +58,10 @@ static int mtdchar_open(struct inode *inode, struct file *file) 
	if ((file->f_mode & FMODE_WRITE) && (minor & 1))

		return -EACCES;



	mutex_lock(&mtd_mutex);

	mtd = get_mtd_device(NULL, devnum);



	if (IS_ERR(mtd)) {

		ret = PTR_ERR(mtd);

		goto out;

	}

	if (IS_ERR(mtd))

		return PTR_ERR(mtd);



	if (mtd->type == MTD_ABSENT) {

		ret = -ENODEV;
@@ -84,13 +81,10 @@ static int mtdchar_open(struct inode *inode, struct file *file) 
	}

	mfi->mtd = mtd;

	file->private_data = mfi;

	mutex_unlock(&mtd_mutex);

	return 0;



out1:

	put_mtd_device(mtd);

out:

	mutex_unlock(&mtd_mutex);

	return ret;

} /* mtdchar_open */