[PATCH] fs/befs/linuxvfs.c: need signed cast for variable 'block'

[Chen Gang]

Need signed cast for it, the original author assume the type of 'block'
is long, so just cast to long. The related warnings (with allmodconfig):

  fs/befs/linuxvfs.c:136:2: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits]

Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>
---
 fs/befs/linuxvfs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index daa15d6..27e5179 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -133,7 +133,7 @@ befs_get_block(struct inode *inode, sector_t block,
 	befs_debug(sb, "---> befs_get_block() for inode %lu, block %ld",
 		   inode->i_ino, block);
 
-	if (block < 0) {
+	if ((long)block < 0) {
 		befs_error(sb, "befs_get_block() was asked for a block "
 			   "number less than zero: block %ld in inode %lu",
 			   block, inode->i_ino);
-- 
1.7.7.6
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