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authorDan Carpenter <dan.carpenter@oracle.com>2013-06-19 04:08:10 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-06-29 12:57:35 +0400
commit642b704cd7a29be0b8900971eb525086c1c995b7 (patch)
tree616b89d759f128c01e967ed64fd7c7da1b763dcf
parent18c67cb9f0d2ac1e5660899c852f657ba84ddd2e (diff)
downloadlinux-642b704cd7a29be0b8900971eb525086c1c995b7.tar.xz
minix: bug widening a binary "not" operation
"chunk_size" is an unsigned int and "pos" is an unsigned long. The "& ~(chunk_size-1)" operation clears the high 32 bits unintentionally. The ALIGN() macro does the correct thing. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-rw-r--r--fs/minix/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 08c442902fcd..dfaf6fa9b7b5 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -93,7 +93,7 @@ static int minix_readdir(struct file *file, struct dir_context *ctx)
unsigned offset;
unsigned long n;
- ctx->pos = pos = (pos + chunk_size-1) & ~(chunk_size-1);
+ ctx->pos = pos = ALIGN(pos, chunk_size);
if (pos >= inode->i_size)
return 0;