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[PATCH] ISDN: fix copy_to_user() unused result warning in isdn_ppp

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drivers/isdn/i4l/isdn_ppp.c:785: warning: ignoring return value of `copy_to_user', declared with attribute warn_unused_result

Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Karsten Keil <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Jesper Juhl 2006-03-25 03:07:02 -08:00 • committed by Linus Torvalds
commit c41a24ce1f
1 changed files with 2 additions and 1 deletions
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3
drivers/isdn/i4l/isdn_ppp.c
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@ -782,7 +782,8 @@ isdn_ppp_read(int min, struct file *file, char __user *buf, int count)
is->first = b;
spin_unlock_irqrestore(&is->buflock, flags);
copy_to_user(buf, save_buf, count);
if (copy_to_user(buf, save_buf, count))
count = -EFAULT;
kfree(save_buf);
return count;