disable i2c1

hc

2024-05-11 645e752c5a84baeb21015cdc85fc05b7d16312c8

 kernel/fs/fat/dir.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  *  linux/fs/fat/dir.c
3
4
  *
..
..
@@ -57,7 +58,7 @@
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58
 	if ((iblock & (sbi->sec_per_clus - 1)) || sbi->sec_per_clus == 1)
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59
 		return;
59
60
 	/* root dir of FAT12/FAT16 */
60
-	if ((sbi->fat_bits != 32) && (dir->i_ino == MSDOS_ROOT_INO))
61
+	if (!is_fat32(sbi) && (dir->i_ino == MSDOS_ROOT_INO))
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62
 		return;
62
63
 
63
64
 	bh = sb_find_get_block(sb, phys);
..
..
@@ -87,9 +88,7 @@
87
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 	int err, offset;
88
89
 
89
90
 next:
90
-	if (*bh)
91
-		brelse(*bh);
92
-
91
+	brelse(*bh);
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92
 	*bh = NULL;
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93
 	iblock = *pos >> sb->s_blocksize_bits;
95
94
 	err = fat_bmap(dir, iblock, &phys, &mapped_blocks, 0, false);
..
..
@@ -369,7 +368,9 @@
369
368
 	}
370
369
 
371
370
 	memcpy(work, de->name, sizeof(work));
372
-	/* see namei.c, msdos_format_name */
371
+	/* For an explanation of the special treatment of 0x05 in
372
+	 * filenames, see msdos_format_name in namei_msdos.c
373
+	 */
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 	if (work[0] == 0x05)
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375
 		work[0] = 0xE5;
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376
 
..
..
@@ -803,8 +804,6 @@
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804
 		return fat_generic_ioctl(filp, cmd, arg);
804
805
 	}
805
806
 
806
-	if (!access_ok(VERIFY_WRITE, d1, sizeof(struct __fat_dirent[2])))
807
-		return -EFAULT;
808
807
 	/*
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 	 * Yes, we don't need this put_user() absolutely. However old
810
809
 	 * code didn't return the right value. So, app use this value,
..
..
@@ -843,8 +842,6 @@
843
842
 		return fat_generic_ioctl(filp, cmd, (unsigned long)arg);
844
843
 	}
845
844
 
846
-	if (!access_ok(VERIFY_WRITE, d1, sizeof(struct compat_dirent[2])))
847
-		return -EFAULT;
848
845
 	/*
849
846
 	 * Yes, we don't need this put_user() absolutely. However old
850
847
 	 * code didn't return the right value. So, app use this value,
..
..
@@ -1071,7 +1068,7 @@
1071
1068
 		}
1072
1069
 	}
1073
1070
 
1074
-	dir->i_mtime = dir->i_atime = current_time(dir);
1071
+	fat_truncate_time(dir, NULL, S_ATIME|S_MTIME);
1075
1072
 	if (IS_DIRSYNC(dir))
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1073
 		(void)fat_sync_inode(dir);
1077
1074
 	else
..
..
@@ -1287,7 +1284,7 @@
1287
1284
 	struct super_block *sb = dir->i_sb;
1288
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 	struct msdos_sb_info *sbi = MSDOS_SB(sb);
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 	struct buffer_head *bh, *prev, *bhs[3]; /* 32*slots (672bytes) */
1290
-	struct msdos_dir_entry *uninitialized_var(de);
1287
+	struct msdos_dir_entry *de;
1291
1288
 	int err, free_slots, i, nr_bhs;
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1289
 	loff_t pos, i_pos;
1293
1290
 
..
..
@@ -1320,7 +1317,7 @@
1320
1317
 		}
1321
1318
 	}
1322
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 	if (dir->i_ino == MSDOS_ROOT_INO) {
1323
-		if (sbi->fat_bits != 32)
1320
+		if (!is_fat32(sbi))
1324
1321
 			goto error;
1325
1322
 	} else if (MSDOS_I(dir)->i_start == 0) {
1326
1323
 		fat_msg(sb, KERN_ERR, "Corrupted directory (i_pos %lld)",