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minix: bug widening a binary "not" operation

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"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>
This commit is contained in:
Dan Carpenter 2013-06-19 10:08:10 +10:00 committed by Al Viro
parent 18c67cb9f0
commit 642b704cd7
1 changed files with 1 additions and 1 deletions
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2
fs/minix/dir.c
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@ -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;