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Subject[PATCH v3 3/3] staging: exfat: use integer constants
Date
Replace manually generated values with predefined constants.

Signed-off-by: Valentin Vidic <vvidic@valentin-vidic.from.hr>
---
v2: Use constants where possible
v3: Split up changes of constants

drivers/staging/exfat/exfat_core.c | 18 +++++++++---------
drivers/staging/exfat/exfat_super.c | 8 ++++----
2 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c
index 8965e8453fcb..6eee2aa06bd7 100644
--- a/drivers/staging/exfat/exfat_core.c
+++ b/drivers/staging/exfat/exfat_core.c
@@ -204,7 +204,7 @@ s32 fat_alloc_cluster(struct super_block *sb, s32 num_alloc,

if ((--num_alloc) == 0) {
p_fs->clu_srch_ptr = new_clu;
- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters += num_clusters;

return num_clusters;
@@ -215,7 +215,7 @@ s32 fat_alloc_cluster(struct super_block *sb, s32 num_alloc,
}

p_fs->clu_srch_ptr = new_clu;
- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters += num_clusters;

return num_clusters;
@@ -273,7 +273,7 @@ s32 exfat_alloc_cluster(struct super_block *sb, s32 num_alloc,

if ((--num_alloc) == 0) {
p_fs->clu_srch_ptr = hint_clu;
- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters += num_clusters;

p_chain->size += num_clusters;
@@ -293,7 +293,7 @@ s32 exfat_alloc_cluster(struct super_block *sb, s32 num_alloc,
}

p_fs->clu_srch_ptr = hint_clu;
- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters += num_clusters;

p_chain->size += num_clusters;
@@ -337,7 +337,7 @@ void fat_free_cluster(struct super_block *sb, struct chain_t *p_chain,

} while (clu != CLUSTER_32(~0));

- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters -= num_clusters;
}

@@ -396,7 +396,7 @@ void exfat_free_cluster(struct super_block *sb, struct chain_t *p_chain,
} while ((clu != CLUSTER_32(0)) && (clu != CLUSTER_32(~0)));
}

- if (p_fs->used_clusters != (u32)~0)
+ if (p_fs->used_clusters != UINT_MAX)
p_fs->used_clusters -= num_clusters;
}

@@ -3064,7 +3064,7 @@ s32 fat16_mount(struct super_block *sb, struct pbr_sector_t *p_pbr)

p_fs->vol_flag = VOL_CLEAN;
p_fs->clu_srch_ptr = 2;
- p_fs->used_clusters = (u32)~0;
+ p_fs->used_clusters = UINT_MAX;

p_fs->fs_func = &fat_fs_func;

@@ -3117,7 +3117,7 @@ s32 fat32_mount(struct super_block *sb, struct pbr_sector_t *p_pbr)

p_fs->vol_flag = VOL_CLEAN;
p_fs->clu_srch_ptr = 2;
- p_fs->used_clusters = (u32)~0;
+ p_fs->used_clusters = UINT_MAX;

p_fs->fs_func = &fat_fs_func;

@@ -3192,7 +3192,7 @@ s32 exfat_mount(struct super_block *sb, struct pbr_sector_t *p_pbr)

p_fs->vol_flag = (u32)GET16(p_bpb->vol_flags);
p_fs->clu_srch_ptr = 2;
- p_fs->used_clusters = (u32)~0;
+ p_fs->used_clusters = UINT_MAX;

p_fs->fs_func = &exfat_fs_func;

diff --git a/drivers/staging/exfat/exfat_super.c b/drivers/staging/exfat/exfat_super.c
index 1cb0ec06c54e..610f20683611 100644
--- a/drivers/staging/exfat/exfat_super.c
+++ b/drivers/staging/exfat/exfat_super.c
@@ -502,7 +502,7 @@ static int ffsGetVolInfo(struct super_block *sb, struct vol_info_t *info)
/* acquire the lock for file system critical section */
down(&p_fs->v_sem);

- if (p_fs->used_clusters == (u32)~0)
+ if (p_fs->used_clusters == UINT_MAX)
p_fs->used_clusters = p_fs->fs_func->count_used_clusters(sb);

info->FatType = p_fs->vol_type;
@@ -3503,7 +3503,7 @@ static int exfat_statfs(struct dentry *dentry, struct kstatfs *buf)
struct fs_info_t *p_fs = &(EXFAT_SB(sb)->fs_info);
struct vol_info_t info;

- if (p_fs->used_clusters == (u32)~0) {
+ if (p_fs->used_clusters == UINT_MAX) {
if (ffsGetVolInfo(sb, &info) == FFS_MEDIAERR)
return -EIO;

@@ -3678,7 +3678,7 @@ static int parse_options(char *options, int silent, int *debug,
opts->fs_uid = current_uid();
opts->fs_gid = current_gid();
opts->fs_fmask = opts->fs_dmask = current->fs->umask;
- opts->allow_utime = (unsigned short)-1;
+ opts->allow_utime = U16_MAX;
opts->codepage = exfat_default_codepage;
opts->iocharset = exfat_default_iocharset;
opts->casesensitive = 0;
@@ -3770,7 +3770,7 @@ static int parse_options(char *options, int silent, int *debug,
}

out:
- if (opts->allow_utime == (unsigned short)-1)
+ if (opts->allow_utime == U16_MAX)
opts->allow_utime = ~opts->fs_dmask & 0022;

return 0;
--
2.20.1
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