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ext4: use sizeof(*ptr) 

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

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
This commit is contained in:
Markus Elfring 2017-08-24 13:50:24 -04:00 committed by Theodore Ts'o
parent 1bd8d6cd3e
commit d695a1bea3
2 changed files with 2 additions and 2 deletions
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2
fs/ext4/dir.c
View File

@ -411,7 +411,7 @@ static struct dir_private_info *ext4_htree_create_dir_info(struct file *filp,
{
struct dir_private_info *p;
p = kzalloc(sizeof(struct dir_private_info), GFP_KERNEL);
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p)
return NULL;
p->curr_hash = pos2maj_hash(filp, pos);

2
fs/ext4/mmp.c
View File

@ -367,7 +367,7 @@ int ext4_multi_mount_protect(struct super_block *sb,
goto failed;
}
mmpd_data = kmalloc(sizeof(struct mmpd_data), GFP_KERNEL);
mmpd_data = kmalloc(sizeof(*mmpd_data), GFP_KERNEL);
if (!mmpd_data) {
ext4_warning(sb, "not enough memory for mmpd_data");
goto failed;