Messages in this thread Patch in this message | | | Date | Tue, 6 Apr 2010 13:45:39 +0300 | From | Dan Carpenter <> | Subject | [patch] proc: copy_to_user() returns unsigned |
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copy_to_user() returns the number of bytes left to be copied.
This was a typo from: d82ef020cf31504c816803b1def94eb5ff173363 "proc: pagemap: Hold mmap_sem during page walk".
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 0962739..bfb2773 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -799,7 +799,7 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, start_vaddr = end; len = min(count, PM_ENTRY_BYTES * pm.pos); - if (copy_to_user(buf, pm.buffer, len) < 0) { + if (copy_to_user(buf, pm.buffer, len)) { ret = -EFAULT; goto out_free; }
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