From 9695ef16ed4e00b59303f39f9a4a422a2c6a3b89 Mon Sep 17 00:00:00 2001 From: Evgeniy Dushistov Date: Sun, 25 Jun 2006 05:47:22 -0700 Subject: [PATCH] ufs: wrong type cast There are two ugly macros in ufs code: #define UCPI_UBH ((struct ufs_buffer_head *)ucpi) #define USPI_UBH ((struct ufs_buffer_head *)uspi) when uspi looks like struct { struct ufs_buffer_head ; } and USPI_UBH has some sence, ucpi looks like struct { struct not_ufs_buffer_head; } To prevent bugs in future, this patch convert macros to inline function and fix "ucpi" structure. Signed-off-by: Evgeniy Dushistov Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ufs/cylinder.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'fs/ufs/cylinder.c') diff --git a/fs/ufs/cylinder.c b/fs/ufs/cylinder.c index 14abb8b835f7..65fe06810172 100644 --- a/fs/ufs/cylinder.c +++ b/fs/ufs/cylinder.c @@ -47,14 +47,14 @@ static void ufs_read_cylinder (struct super_block * sb, ucpi = sbi->s_ucpi[bitmap_nr]; ucg = (struct ufs_cylinder_group *)sbi->s_ucg[cgno]->b_data; - UCPI_UBH->fragment = ufs_cgcmin(cgno); - UCPI_UBH->count = uspi->s_cgsize >> sb->s_blocksize_bits; + UCPI_UBH(ucpi)->fragment = ufs_cgcmin(cgno); + UCPI_UBH(ucpi)->count = uspi->s_cgsize >> sb->s_blocksize_bits; /* * We have already the first fragment of cylinder group block in buffer */ - UCPI_UBH->bh[0] = sbi->s_ucg[cgno]; - for (i = 1; i < UCPI_UBH->count; i++) - if (!(UCPI_UBH->bh[i] = sb_bread(sb, UCPI_UBH->fragment + i))) + UCPI_UBH(ucpi)->bh[0] = sbi->s_ucg[cgno]; + for (i = 1; i < UCPI_UBH(ucpi)->count; i++) + if (!(UCPI_UBH(ucpi)->bh[i] = sb_bread(sb, UCPI_UBH(ucpi)->fragment + i))) goto failed; sbi->s_cgno[bitmap_nr] = cgno; @@ -103,7 +103,7 @@ void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr) return; } ucpi = sbi->s_ucpi[bitmap_nr]; - ucg = ubh_get_ucg(UCPI_UBH); + ucg = ubh_get_ucg(UCPI_UBH(ucpi)); if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sbi->s_cg_loaded) { ufs_panic (sb, "ufs_put_cylinder", "internal error"); @@ -116,9 +116,9 @@ void ufs_put_cylinder (struct super_block * sb, unsigned bitmap_nr) ucg->cg_rotor = cpu_to_fs32(sb, ucpi->c_rotor); ucg->cg_frotor = cpu_to_fs32(sb, ucpi->c_frotor); ucg->cg_irotor = cpu_to_fs32(sb, ucpi->c_irotor); - ubh_mark_buffer_dirty (UCPI_UBH); - for (i = 1; i < UCPI_UBH->count; i++) { - brelse (UCPI_UBH->bh[i]); + ubh_mark_buffer_dirty (UCPI_UBH(ucpi)); + for (i = 1; i < UCPI_UBH(ucpi)->count; i++) { + brelse (UCPI_UBH(ucpi)->bh[i]); } sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY; -- cgit v1.2.3-55-g7522