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staging/zram: Fix sparse warning 'Using plain integer as NULL pointer' 

This patch fixes the warning generated by sparse: "Using plain integer
as NULL pointer" by replacing the offending 0s with NULL.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Peter Huewe 2010-12-07 23:44:33 +01:00 committed by Greg Kroah-Hartman
parent 597a1e7ccc
commit be3e5b3246
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/zram/xvmalloc.c
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@ -187,7 +187,7 @@ static void insert_block(struct xv_pool *pool, struct page *page, u32 offset,
slindex = get_index_for_insert(block->size);
flindex = slindex / BITS_PER_LONG;
block->link.prev_page = 0;
block->link.prev_page = NULL;
block->link.prev_offset = 0;
block->link.next_page = pool->freelist[slindex].page;
block->link.next_offset = pool->freelist[slindex].offset;
@ -217,7 +217,7 @@ static void remove_block_head(struct xv_pool *pool,
pool->freelist[slindex].page = block->link.next_page;
pool->freelist[slindex].offset = block->link.next_offset;
block->link.prev_page = 0;
block->link.prev_page = NULL;
block->link.prev_offset = 0;
if (!pool->freelist[slindex].page) {
@ -232,7 +232,7 @@ static void remove_block_head(struct xv_pool *pool,
*/
tmpblock = get_ptr_atomic(pool->freelist[slindex].page,
pool->freelist[slindex].offset, KM_USER1);
tmpblock->link.prev_page = 0;
tmpblock->link.prev_page = NULL;
tmpblock->link.prev_offset = 0;
put_ptr_atomic(tmpblock, KM_USER1);
}