Commit 7c9e69faa28027913ee059c285a5ea8382e24b5d results in the following
inconsequent NULL checking in fs/ext4/balloc.c:
<-- snip -->
...
struct buffer_head *
read_block_bitmap(struct super_block *sb, unsigned int block_group)
{
...
if (!bh)
ext4_error (sb, __FUNCTION__,
"Cannot read block bitmap - "
"block_group = %d, block_bitmap = %llu",
block_group, bitmap_blk);
/* check whether block bitmap block number is set */
if (!block_in_use(bitmap_blk, sb, bh->b_data)) {
... ^^^^^^^^^^
<-- snip -->
Spotted by the Coverity checker.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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