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hppfs: hppfs_read_file() may return -ERROR
hppfs_read_file() may return (ssize_t) -ENOMEM, or -EFAULT. When stored in size_t 'count', these errors will not be noticed, a large value will be added to *ppos. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -280,7 +280,12 @@ static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
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"errno = %d\n", err);
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return err;
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}
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count = hppfs_read_file(hppfs->host_fd, buf, count);
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err = hppfs_read_file(hppfs->host_fd, buf, count);
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if (err < 0) {
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printk(KERN_ERR "hppfs_read: read failed: %d\n", err);
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return err;
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}
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count = err;
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if (count > 0)
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*ppos += count;
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}
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