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qnx6: qnx6_readdir() has a braino in pos calculation

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We want to mask lower 5 bits out, not leave only those and clear the
rest...  As it is, we end up always starting to read from the beginning
of directory, no matter what the current position had been.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-05-17 15:21:56 -04:00
parent 801d9d26bf
commit 1d7095c72d
1 changed files with 1 additions and 1 deletions
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fs/qnx6/dir.c
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@ -120,7 +120,7 @@ static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
struct inode *inode = file_inode(filp);
struct super_block *s = inode->i_sb;
struct qnx6_sb_info *sbi = QNX6_SB(s);
loff_t pos = filp->f_pos & (QNX6_DIR_ENTRY_SIZE - 1);
loff_t pos = filp->f_pos & ~(QNX6_DIR_ENTRY_SIZE - 1);
unsigned long npages = dir_pages(inode);
unsigned long n = pos >> PAGE_CACHE_SHIFT;
unsigned start = (pos & ~PAGE_CACHE_MASK) / QNX6_DIR_ENTRY_SIZE;