ext4: use NULL for pointers

PATCH New Randy Dunlap 1 participant 1 message Mar 22, 2007 ext4 file system

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Randy Dunlap

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2007-03-22 02:31 UTC #0 lore raw

PATCH 1/1 ext4: use NULL for pointers

From: Randy Dunlap <[email protected]>

Use NULL instead of 0 for pointers:
fs/ext4/writeback.c:874:24: warning: Using plain integer as NULL pointer fs/ext4/writeback.c:1105:23: warning: Using plain integer as NULL pointer

Signed-off-by Randy Dunlap <[email protected]>

---
 fs/ext4/writeback.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

fs/ext4/writeback.c +3 -2

@@ -41,6 +41,7 @@
 #include <linux/jbd.h>
 #include <linux/ext4_fs_extents.h>
 #include <linux/smp_lock.h>
+#include <linux/stddef.h>
 #include <linux/highuid.h>
 #include <linux/pagemap.h>
 #include <linux/quotaops.h>

@@ -871,7 +872,7 @@ int ext4_wb_prepare_write(struct file *f
 				wb_debug("read block %u\n",
 						(unsigned) bhw->b_blocknr);
 				set_bh_page(bhw, page, 0);
-				bhw->b_this_page = 0;
+				bhw->b_this_page = NULL;
 				bhw->b_size = 1 << inode->i_blkbits;
 				atomic_set(&bhw->b_count, 1);
 				ll_rw_block(READ, 1, &bhw);

@@ -1102,7 +1103,7 @@ int ext4_wb_block_truncate_page(handle_t
 			wb_debug("read block %u for part.trunc on %lu\n",
 					(unsigned) bhw->b_blocknr, page->index);
 			set_bh_page(bhw, page, 0);
-			bhw->b_this_page = 0;
+			bhw->b_this_page = NULL;
 			bhw->b_size = 1 << inode->i_blkbits;
 			atomic_set(&bhw->b_count, 1);
 			ll_rw_block(READ, 1, &bhw);