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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: d82ef020cf "proc: pagemap: Hold mmap_sem during
page walk".

Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Matt Mackall <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Dan Carpenter 2010-04-06 13:45:39 +03:00 • committed by Linus Torvalds
commit 309361e09c
1 changed files with 1 additions and 1 deletions
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2
fs/proc/task_mmu.c
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@ -800,7 +800,7 @@ 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;
}