linux-kernel - [PATCH] ubifs: Fix error codes in ubifs

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Date:	Sat,  2 Jan 2016 23:11:06 +0100
From:	Richard Weinberger <richard@....at>
To:	dedekind1@...il.com
Cc:	adrian.hunter@...el.com, linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>,
	stable@...r.kernel.org
Subject: [PATCH] ubifs: Fix error codes in ubifs_iget()

We cannot use positive error codes in ERR_PTR().
IS_ERR() won't catch them.

Cc: stable@...r.kernel.org
Signed-off-by: Richard Weinberger <richard@....at>
---
 fs/ubifs/super.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 1fd90c0..c7d8230 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -173,7 +173,7 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
 			memcpy(ui->data, ino->data, ui->data_len);
 			((char *)ui->data)[ui->data_len] = '\0';
 		} else if (ui->data_len != 0) {
-			err = 10;
+			err = -EINVAL;
 			goto out_invalid;
 		}
 		break;
@@ -181,14 +181,14 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
 		inode->i_op  = &ubifs_dir_inode_operations;
 		inode->i_fop = &ubifs_dir_operations;
 		if (ui->data_len != 0) {
-			err = 11;
+			err = -EINVAL;
 			goto out_invalid;
 		}
 		break;
 	case S_IFLNK:
 		inode->i_op = &ubifs_symlink_inode_operations;
 		if (ui->data_len <= 0 || ui->data_len > UBIFS_MAX_INO_DATA) {
-			err = 12;
+			err = -EINVAL;
 			goto out_invalid;
 		}
 		ui->data = kmalloc(ui->data_len + 1, GFP_NOFS);
@@ -218,7 +218,7 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
 		else if (ui->data_len == sizeof(dev->huge))
 			rdev = huge_decode_dev(le64_to_cpu(dev->huge));
 		else {
-			err = 13;
+			err = -EINVAL;
 			goto out_invalid;
 		}
 		memcpy(ui->data, ino->data, ui->data_len);
@@ -231,12 +231,12 @@ struct inode *ubifs_iget(struct super_block *sb, unsigned long inum)
 		inode->i_op = &ubifs_file_inode_operations;
 		init_special_inode(inode, inode->i_mode, 0);
 		if (ui->data_len != 0) {
-			err = 14;
+			err = -EINVAL;
 			goto out_invalid;
 		}
 		break;
 	default:
-		err = 15;
+		err = -EINVAL;
 		goto out_invalid;
 	}
 
-- 
2.5.0

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