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fs: ext4: avoid NULL check before free()

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free() checks if its argument is NULL. Don't duplicate this in the calling
code.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-04-28 21:50:02 +02:00 • committed by Tom Rini
parent b142d0ac19
commit 4fb0f55fd2
1 changed files with 5 additions and 10 deletions
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15
fs/ext4/ext4_journal.c
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@ -107,22 +107,18 @@ void ext4fs_free_journal(void)
for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) { for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) {
if (dirty_block_ptr[i]->blknr == -1) if (dirty_block_ptr[i]->blknr == -1)
break; break;
if (dirty_block_ptr[i]->buf) free(dirty_block_ptr[i]->buf);
free(dirty_block_ptr[i]->buf);
} }
for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) { for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) {
if (journal_ptr[i]->blknr == -1) if (journal_ptr[i]->blknr == -1)
break; break;
if (journal_ptr[i]->buf) free(journal_ptr[i]->buf);
free(journal_ptr[i]->buf);
} }
for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) { for (i = 0; i < MAX_JOURNAL_ENTRIES; i++) {
if (journal_ptr[i]) free(journal_ptr[i]);
free(journal_ptr[i]); free(dirty_block_ptr[i]);
if (dirty_block_ptr[i])
free(dirty_block_ptr[i]);
} }
gindex = 0; gindex = 0;
gd_index = 0; gd_index = 0;
@ -272,8 +268,7 @@ void ext4fs_free_revoke_blks(void)
struct revoke_blk_list *next_node = NULL; struct revoke_blk_list *next_node = NULL;
while (tmp_node != NULL) { while (tmp_node != NULL) {
if (tmp_node->content) free(tmp_node->content);
free(tmp_node->content);
tmp_node = tmp_node->next; tmp_node = tmp_node->next;
} }