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move ptr deref's to after null ptr checks

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Noticed by:	Coverity Prevent analysis tool
This commit is contained in:
Sam Leffler 2005-02-24 01:40:52 +00:00
parent 89bc9a3171
commit 87ace10fd7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=142353
2 changed files with 8 additions and 4 deletions
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6
sys/gnu/ext2fs/ext2_linux_balloc.c
View File

@ -173,12 +173,13 @@ void ext2_free_blocks (struct mount * mp, unsigned long block,
unsigned long i;
int bitmap_nr;
struct ext2_group_desc * gdp;
struct ext2_super_block * es = sb->s_es;
struct ext2_super_block * es;
if (!sb) {
printf ("ext2_free_blocks: nonexistent device");
return;
}
es = sb->s_es;
lock_super (VFSTOEXT2(mp)->um_devvp);
if (block < es->s_first_data_block ||
(block + count) > es->s_blocks_count) {
@ -257,7 +258,7 @@ int ext2_new_block (struct mount * mp, unsigned long goal,
int i, j, k, tmp;
int bitmap_nr;
struct ext2_group_desc * gdp;
struct ext2_super_block * es = sb->s_es;
struct ext2_super_block * es;
#ifdef EXT2FS_DEBUG
static int goal_hits = 0, goal_attempts = 0;
@ -266,6 +267,7 @@ int ext2_new_block (struct mount * mp, unsigned long goal,
printf ("ext2_new_block: nonexistent device");
return 0;
}
es = sb->s_es;
lock_super (VFSTOEXT2(mp)->um_devvp);
ext2_debug ("goal=%lu.\n", goal);

6
sys/gnu/fs/ext2fs/ext2_linux_balloc.c
View File

@ -173,12 +173,13 @@ void ext2_free_blocks (struct mount * mp, unsigned long block,
unsigned long i;
int bitmap_nr;
struct ext2_group_desc * gdp;
struct ext2_super_block * es = sb->s_es;
struct ext2_super_block * es;
if (!sb) {
printf ("ext2_free_blocks: nonexistent device");
return;
}
es = sb->s_es;
lock_super (VFSTOEXT2(mp)->um_devvp);
if (block < es->s_first_data_block ||
(block + count) > es->s_blocks_count) {
@ -257,7 +258,7 @@ int ext2_new_block (struct mount * mp, unsigned long goal,
int i, j, k, tmp;
int bitmap_nr;
struct ext2_group_desc * gdp;
struct ext2_super_block * es = sb->s_es;
struct ext2_super_block * es;
#ifdef EXT2FS_DEBUG
static int goal_hits = 0, goal_attempts = 0;
@ -266,6 +267,7 @@ int ext2_new_block (struct mount * mp, unsigned long goal,
printf ("ext2_new_block: nonexistent device");
return 0;
}
es = sb->s_es;
lock_super (VFSTOEXT2(mp)->um_devvp);
ext2_debug ("goal=%lu.\n", goal);