diff options
Diffstat (limited to 'drivers/video/b2r2/b2r2_mem_alloc.c')
| -rw-r--r-- | drivers/video/b2r2/b2r2_mem_alloc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/video/b2r2/b2r2_mem_alloc.c b/drivers/video/b2r2/b2r2_mem_alloc.c index e5235d2c97f..584b324b8fe 100644 --- a/drivers/video/b2r2/b2r2_mem_alloc.c +++ b/drivers/video/b2r2/b2r2_mem_alloc.c @@ -182,10 +182,11 @@ void debugfs_create_mem_block_entry(struct b2r2_mem_block *mem_block, struct timespec mtime = tm; struct timespec ctime = tm; - if (mem_block->debugfs_block) { + if (!IS_ERR_OR_NULL(mem_block->debugfs_block)) { atime = mem_block->debugfs_block->d_inode->i_atime; ctime = mem_block->debugfs_block->d_inode->i_ctime; debugfs_remove(mem_block->debugfs_block); + mem_block->debugfs_block = NULL; } /* Add the block in debugfs */ @@ -204,7 +205,7 @@ void debugfs_create_mem_block_entry(struct b2r2_mem_block *mem_block, mem_block->debugfs_fname, 0444, parent, mem_block, &debugfs_b2r2_mem_block_fops); - if (mem_block->debugfs_block) { + if (!IS_ERR_OR_NULL(mem_block->debugfs_block)) { mem_block->debugfs_block->d_inode->i_size = mem_block->size; mem_block->debugfs_block->d_inode->i_atime = atime; mem_block->debugfs_block->d_inode->i_mtime = mtime; @@ -243,7 +244,7 @@ int b2r2_mem_init(struct b2r2_control *cont, #ifdef CONFIG_DEBUG_FS /* Register debugfs */ - if (cont->mem_heap.debugfs_root_dir) { + if (!IS_ERR_OR_NULL(cont->mem_heap.debugfs_root_dir)) { cont->mem_heap.debugfs_heap_stats = debugfs_create_file( "stats", 0444, cont->mem_heap.debugfs_root_dir, &cont->mem_heap, &debugfs_b2r2_mem_stats_fops); |