linux-kernel - [PATCH] net/9p: Use proper data types

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Date:	Wed,  5 Jan 2011 22:23:43 +0530
From:	"M. Mohan Kumar" <mohan@...ibm.com>
To:	"v9fs-developer" <v9fs-developer@...ts.sourceforge.net>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] net/9p: Use proper data types

Use proper data types for storing the count of the binary blob and
length of a string. Without this patch length calculation of string will
always result in -1 because of comparision between signed and unsigned
integer.

Signed-off-by: M. Mohan Kumar <mohan@...ibm.com>
---
 net/9p/protocol.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index c5180fd..2902eb1 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -234,14 +234,14 @@ p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			}
 			break;
 		case 'D':{
-				int32_t *count = va_arg(ap, int32_t *);
+				uint32_t *count = va_arg(ap, int32_t *);
 				void **data = va_arg(ap, void **);
 
 				errcode =
 				    p9pdu_readf(pdu, proto_version, "d", count);
 				if (!errcode) {
 					*count =
-					    min_t(int32_t, *count,
+					    min_t(uint32_t, *count,
 						  pdu->size - pdu->offset);
 					*data = &pdu->sdata[pdu->offset];
 				}
@@ -404,9 +404,9 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
 			break;
 		case 's':{
 				const char *sptr = va_arg(ap, const char *);
-				int16_t len = 0;
+				uint16_t len = 0;
 				if (sptr)
-					len = min_t(int16_t, strlen(sptr),
+					len = min_t(uint16_t, strlen(sptr),
 								USHRT_MAX);
 
 				errcode = p9pdu_writef(pdu, proto_version,
-- 
1.7.3.4

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