From: Michael Trimarchi <michael@amarulasolutions.com>
Date: Sat, 10 Aug 2024 12:57:44 +0000 (+0200)
Subject: ubifs: Call ubifs_iput when ubifs_iget is used
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-logo.png?a=commitdiff_plain;h=d16bda85ff0762aa96e36fa65d2e3b5342d73d7a;p=u-boot.git

ubifs: Call ubifs_iput when ubifs_iget is used

The inode should be freed after a reference is get to avoid
memory leak

Tested-by: Alexander Dahl <ada@thorsis.com>
Link: https://lore.kernel.org/u-boot/b698ec3e-d857-6512-8cc9-4edcab0a41b9@denx.de/T/#t
Link: https://lore.kernel.org/all/8f3a7059-6330-f332-8e9f-729b853e001e@denx.de/T/
Co-developed-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
---

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 03ed603d0e..7718081f09 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -2324,6 +2324,7 @@ static int ubifs_fill_super(struct super_block *sb, void *data, int silent)
 		goto out_umount;
 	}
 #else
+	ubifs_iput(root);
 	sb->s_root = NULL;
 #endif
 
diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
index 8b9bf125ab..398b076d78 100644
--- a/fs/ubifs/ubifs.c
+++ b/fs/ubifs/ubifs.c
@@ -319,9 +319,7 @@ static int filldir(struct ubifs_info *c, const char *name, int namlen,
 	}
 	ctime_r((time_t *)&inode->i_mtime, filetime);
 	printf("%9lld  %24.24s  ", inode->i_size, filetime);
-#ifndef __UBOOT__
 	ubifs_iput(inode);
-#endif
 
 	printf("%s\n", name);
 
@@ -557,6 +555,7 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
 
 			/* We have some sort of symlink recursion, bail out */
 			if (symlink_count++ > 8) {
+				ubifs_iput(inode);
 				printf("Symlink recursion, aborting\n");
 				return 0;
 			}
@@ -568,6 +567,7 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
 				 * the leading slash */
 				next = name = link_name + 1;
 				root_inum = 1;
+				ubifs_iput(inode);
 				continue;
 			}
 			/* Relative to cur dir */
@@ -575,6 +575,7 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
 					link_name, next == NULL ? "" : next);
 			memcpy(symlinkpath, buf, sizeof(buf));
 			next = name = symlinkpath;
+			ubifs_iput(inode);
 			continue;
 		}
 
@@ -583,8 +584,10 @@ static unsigned long ubifs_findfile(struct super_block *sb, char *filename)
 		 */
 
 		/* Found the node!  */
-		if (!next || *next == '\0')
+		if (!next || *next == '\0') {
+			ubifs_iput(inode);
 			return inum;
+		}
 
 		root_inum = inum;
 		name = next;