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fs-udf: Improve six size determinations

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Replace the specification of data structures by variable references
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Markus Elfring 2017-08-15 16:45:44 +02:00 committed by Jan Kara
parent ba2eb866a8
commit 033c9da008
3 changed files with 6 additions and 7 deletions
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6
fs/udf/inode.c
View File

@ -114,7 +114,7 @@ static void udf_update_extent_cache(struct inode *inode, loff_t estart,
__udf_clear_extent_cache(inode);
if (pos->bh)
get_bh(pos->bh);
memcpy(&iinfo->cached_extent.epos, pos, sizeof(struct extent_position));
memcpy(&iinfo->cached_extent.epos, pos, sizeof(*pos));
iinfo->cached_extent.lstart = estart;
switch (iinfo->i_alloc_type) {
case ICBTAG_FLAG_AD_SHORT:
@ -1703,7 +1703,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
dsea->impUseLength = cpu_to_le32(sizeof(struct regid));
}
eid = (struct regid *)dsea->impUse;
memset(eid, 0, sizeof(struct regid));
memset(eid, 0, sizeof(*eid));
strcpy(eid->ident, UDF_ID_DEVELOPER);
eid->identSuffix[0] = UDF_OS_CLASS_UNIX;
eid->identSuffix[1] = UDF_OS_ID_LINUX;
@ -1754,7 +1754,7 @@ static int udf_update_inode(struct inode *inode, int do_sync)
udf_time_to_disk_stamp(&efe->createTime, iinfo->i_crtime);
udf_time_to_disk_stamp(&efe->attrTime, inode->i_ctime);
memset(&(efe->impIdent), 0, sizeof(struct regid));
memset(&(efe->impIdent), 0, sizeof(efe->impIdent));
strcpy(efe->impIdent.ident, UDF_ID_DEVELOPER);
efe->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
efe->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;

2
fs/udf/namei.c
View File

@ -1184,7 +1184,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
*/
ncfi.fileVersionNum = ocfi.fileVersionNum;
ncfi.fileCharacteristics = ocfi.fileCharacteristics;
memcpy(&(ncfi.icb), &(ocfi.icb), sizeof(struct long_ad));
memcpy(&(ncfi.icb), &(ocfi.icb), sizeof(ocfi.icb));
udf_write_fi(new_dir, &ncfi, nfi, &nfibh, NULL, NULL);
/* The old fid may have moved - find it again */

5
fs/udf/super.c
View File

@ -266,8 +266,7 @@ static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count)
{
struct udf_sb_info *sbi = UDF_SB(sb);
sbi->s_partmaps = kcalloc(count, sizeof(struct udf_part_map),
GFP_KERNEL);
sbi->s_partmaps = kcalloc(count, sizeof(*sbi->s_partmaps), GFP_KERNEL);
if (!sbi->s_partmaps) {
udf_err(sb, "Unable to allocate space for %d partition maps\n",
count);
@ -2100,7 +2099,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
uopt.fmode = UDF_INVALID_MODE;
uopt.dmode = UDF_INVALID_MODE;
sbi = kzalloc(sizeof(struct udf_sb_info), GFP_KERNEL);
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
return -ENOMEM;