f2fs: potential shift wrapping buf in f2fs_trim_fs()
My static checker complains that segment is a u64 but only the lower 31
bits can be used before we hit a shift wrapping bug.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index a7e3e91..afb7362 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -55,7 +55,7 @@
#define TOTAL_BLKS(sbi) (TOTAL_SEGS(sbi) << sbi->log_blocks_per_seg)
#define MAX_BLKADDR(sbi) (SEG0_BLKADDR(sbi) + TOTAL_BLKS(sbi))
-#define SEGMENT_SIZE(sbi) (1 << (sbi->log_blocksize + \
+#define SEGMENT_SIZE(sbi) (1ULL << (sbi->log_blocksize + \
sbi->log_blocks_per_seg))
#define START_BLOCK(sbi, segno) (SEG0_BLKADDR(sbi) + \