[patch 8/8] drivers/isdn/pcbit/* - compile warning cleanup

[domen]

compile warning cleanup - handle copy_to/from_user error 
returns

Signed-off-by: Stephen Biggs <yrgrknmxpzlk@xxxxxxxxx>
Signed-off-by: Domen Puncer <domen@xxxxxxxxxxxx>
---


 kj-domen/drivers/isdn/pcbit/drv.c |   15 +++++++++------
 1 files changed, 9 insertions(+), 6 deletions(-)

diff -puN drivers/isdn/pcbit/drv.c~return_code-drivers_isdn_pcbit drivers/isdn/pcbit/drv.c
--- kj/drivers/isdn/pcbit/drv.c~return_code-drivers_isdn_pcbit	2005-03-05 16:13:08.000000000 +0100
+++ kj-domen/drivers/isdn/pcbit/drv.c	2005-03-05 16:13:08.000000000 +0100
@@ -727,23 +727,26 @@ int pcbit_stat(u_char __user *buf, int l
 
 	if (stat_st < stat_end)
 	{
-		copy_to_user(buf, statbuf + stat_st, len);
+		if (copy_to_user(buf, statbuf + stat_st, len))
+			return -EFAULT;
 		stat_st += len;	   
 	}
 	else
 	{
 		if (len > STATBUF_LEN - stat_st)
 		{
-			copy_to_user(buf, statbuf + stat_st, 
-				       STATBUF_LEN - stat_st);
-			copy_to_user(buf, statbuf, 
-				       len - (STATBUF_LEN - stat_st));
+			if (copy_to_user(buf, statbuf + stat_st,
+				       STATBUF_LEN - stat_st) ||
+				copy_to_user(buf, statbuf,
+				       len - (STATBUF_LEN - stat_st)))
+				return -EFAULT;
 
 			stat_st = len - (STATBUF_LEN - stat_st);
 		}
 		else
 		{
-			copy_to_user(buf, statbuf + stat_st, len);
+			if (copy_to_user(buf, statbuf + stat_st, len))
+				return -EFAULT;
 
 			stat_st += len;
 			
_
-
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