From 87bc730c07a0884d14d6af5c9d49f4669c0a0589 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Tue, 2 Dec 2008 13:40:11 +0100 Subject: udf: fix default mode and dmode options handling On x86 (and several other archs) mode_t is defined as "unsigned short" and comparing unsigned shorts to negative ints is broken (because short is promoted to int and then compared). Fix it. Reported-and-tested-by: Laurent Riffard Signed-off-by: Marcin Slusarz Signed-off-by: Jan Kara --- fs/udf/inode.c | 4 ++-- fs/udf/super.c | 8 ++++---- fs/udf/udf_sb.h | 2 ++ 3 files changed, 8 insertions(+), 6 deletions(-) (limited to 'fs') diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 1456d238f8f8..e7533f785636 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -1223,10 +1223,10 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) iinfo->i_lenExtents = inode->i_size; if (fe->icbTag.fileType != ICBTAG_FILE_TYPE_DIRECTORY && - sbi->s_fmode != -1) + sbi->s_fmode != UDF_INVALID_MODE) inode->i_mode = sbi->s_fmode; else if (fe->icbTag.fileType == ICBTAG_FILE_TYPE_DIRECTORY && - sbi->s_dmode != -1) + sbi->s_dmode != UDF_INVALID_MODE) inode->i_mode = sbi->s_dmode; else inode->i_mode = udf_convert_permissions(fe); diff --git a/fs/udf/super.c b/fs/udf/super.c index 0368bf60f42b..b9dc6adfdd2d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -284,9 +284,9 @@ static int udf_show_options(struct seq_file *seq, struct vfsmount *mnt) seq_printf(seq, ",gid=%u", sbi->s_gid); if (sbi->s_umask != 0) seq_printf(seq, ",umask=%o", sbi->s_umask); - if (sbi->s_fmode != -1) + if (sbi->s_fmode != UDF_INVALID_MODE) seq_printf(seq, ",mode=%o", sbi->s_fmode); - if (sbi->s_dmode != -1) + if (sbi->s_dmode != UDF_INVALID_MODE) seq_printf(seq, ",dmode=%o", sbi->s_dmode); if (UDF_QUERY_FLAG(sb, UDF_FLAG_SESSION_SET)) seq_printf(seq, ",session=%u", sbi->s_session); @@ -1892,8 +1892,8 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent) uopt.uid = -1; uopt.gid = -1; uopt.umask = 0; - uopt.fmode = -1; - uopt.dmode = -1; + uopt.fmode = UDF_INVALID_MODE; + uopt.dmode = UDF_INVALID_MODE; sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL); if (!sbi) diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 5d32c609fceb..158221ecdc42 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -48,6 +48,8 @@ #define UDF_SPARABLE_MAP15 0x1522U #define UDF_METADATA_MAP25 0x2511U +#define UDF_INVALID_MODE ((mode_t)-1) + #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ struct udf_meta_data { -- cgit v1.2.1