From: Andy Whitcroft <apw@xxxxxxxxxxxxx>
When d_make_root() fails it will automatically drop the reference
on the root inode. We should not be doing so as well.
Signed-off-by: Andy Whitcroft <apw@xxxxxxxxxxxxx>
Acked-by: Matthew Garrett <mjg@xxxxxxxxxx>
Acked-by: Jeremy Kerr <jeremy.kerr@xxxxxxxxxxxxx>
Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx>
---
drivers/firmware/efivars.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index 0bbf742..79f3e4e 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -948,7 +948,6 @@ int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
struct dentry *root;
struct efivar_entry *entry, *n;
struct efivars *efivars = &__efivars;
- int err;
efivarfs_sb = sb;
@@ -960,18 +959,14 @@ int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
inode = efivarfs_get_inode(sb, NULL, S_IFDIR | 0755, 0);
- if (!inode) {
- err = -ENOMEM;
- goto fail;
- }
+ if (!inode)
+ return -ENOMEM;
inode->i_op = &efivarfs_dir_inode_operations;
root = d_make_root(inode);
sb->s_root = root;
- if (!root) {
- err = -ENOMEM;
- goto fail;
- }
+ if (!root)
+ return -ENOMEM;
list_for_each_entry_safe(entry, n, &efivars->list, list) {
struct inode *inode;
@@ -1012,9 +1007,6 @@ int efivarfs_fill_super(struct super_block *sb, void *data, int silent)
}
return 0;
-fail:
- iput(inode);
- return err;
}
static struct dentry *efivarfs_mount(struct file_system_type *fs_type,
--
1.7.11.7
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