summaryrefslogtreecommitdiffstats
path: root/drivers/mtd/mtdchar.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mtd/mtdchar.c')
-rw-r--r--drivers/mtd/mtdchar.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index 94eb05b1afdf..f2f482bec573 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -106,16 +106,14 @@ static int mtdchar_open(struct inode *inode, struct file *file)
}
if (mtd->type == MTD_ABSENT) {
- put_mtd_device(mtd);
ret = -ENODEV;
- goto out;
+ goto out1;
}
mtd_ino = iget_locked(mnt->mnt_sb, devnum);
if (!mtd_ino) {
- put_mtd_device(mtd);
ret = -ENOMEM;
- goto out;
+ goto out1;
}
if (mtd_ino->i_state & I_NEW) {
mtd_ino->i_private = mtd;
@@ -127,23 +125,25 @@ static int mtdchar_open(struct inode *inode, struct file *file)
/* You can't open it RW if it's not a writeable device */
if ((file->f_mode & FMODE_WRITE) && !(mtd->flags & MTD_WRITEABLE)) {
- iput(mtd_ino);
- put_mtd_device(mtd);
ret = -EACCES;
- goto out;
+ goto out2;
}
mfi = kzalloc(sizeof(*mfi), GFP_KERNEL);
if (!mfi) {
- iput(mtd_ino);
- put_mtd_device(mtd);
ret = -ENOMEM;
- goto out;
+ goto out2;
}
mfi->ino = mtd_ino;
mfi->mtd = mtd;
file->private_data = mfi;
+ mutex_unlock(&mtd_mutex);
+ return 0;
+out2:
+ iput(mtd_ino);
+out1:
+ put_mtd_device(mtd);
out:
mutex_unlock(&mtd_mutex);
simple_release_fs(&mnt, &count);
@@ -376,7 +376,7 @@ static int otp_select_filemode(struct mtd_file_info *mfi, int mode)
* Make a fake call to mtd_read_fact_prot_reg() to check if OTP
* operations are supported.
*/
- if (mtd_read_fact_prot_reg(mtd, -1, -1, &retlen, NULL) == -EOPNOTSUPP)
+ if (mtd_read_fact_prot_reg(mtd, -1, 0, &retlen, NULL) == -EOPNOTSUPP)
return -EOPNOTSUPP;
switch (mode) {