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Message-Id: <20071124203232.6370.65534.sendpatchset@thinktank.campus.ltu.se>
Date: Sat, 24 Nov 2007 21:44:05 +0100 (MET)
From: Richard Knutsson <ricknu-0@...dent.ltu.se>
To: samuel@...tiz.org, davem@...emloft.net
Cc: linux-kernel@...r.kernel.org,
Richard Knutsson <ricknu-0@...dent.ltu.se>
Subject: [PATCH] net/irda/parameters.c: Trivial fixes
Make a single va_start() -> va_end() path + fixing:
CHECK /home/kernel/src/net/irda/parameters.c
/home/kernel/src/net/irda/parameters.c:466:2: warning: Using plain integer as NULL pointer
/home/kernel/src/net/irda/parameters.c:520:2: warning: Using plain integer as NULL pointer
/home/kernel/src/net/irda/parameters.c:573:2: warning: Using plain integer as NULL pointer
Signed-off-by: Richard Knutsson <ricknu-0@...dent.ltu.se>
---
Compile-tested on i386 with allyesconfig and allmodconfig.
diff --git a/net/irda/parameters.c b/net/irda/parameters.c
index 2627dad..bf19071 100644
--- a/net/irda/parameters.c
+++ b/net/irda/parameters.c
@@ -368,10 +368,11 @@ int irda_param_pack(__u8 *buf, char *fmt, ...)
va_list args;
char *p;
int n = 0;
+ int retval = 0;
va_start(args, fmt);
- for (p = fmt; *p != '\0'; p++) {
+ for (p = fmt; *p != '\0' && retval == 0; p++) {
switch (*p) {
case 'b': /* 8 bits unsigned byte */
buf[n++] = (__u8)va_arg(args, int);
@@ -392,13 +393,12 @@ int irda_param_pack(__u8 *buf, char *fmt, ...)
break;
#endif
default:
- va_end(args);
- return -1;
+ retval = -1;
}
}
va_end(args);
- return 0;
+ return retval;
}
EXPORT_SYMBOL(irda_param_pack);
@@ -411,10 +411,11 @@ static int irda_param_unpack(__u8 *buf, char *fmt, ...)
va_list args;
char *p;
int n = 0;
+ int retval = 0;
va_start(args, fmt);
- for (p = fmt; *p != '\0'; p++) {
+ for (p = fmt; *p != '\0' && retval == 0; p++) {
switch (*p) {
case 'b': /* 8 bits byte */
arg.ip = va_arg(args, __u32 *);
@@ -436,14 +437,13 @@ static int irda_param_unpack(__u8 *buf, char *fmt, ...)
break;
#endif
default:
- va_end(args);
- return -1;
+ retval = -1;
}
}
va_end(args);
- return 0;
+ return retval;
}
/*
@@ -463,7 +463,7 @@ int irda_param_insert(void *self, __u8 pi, __u8 *buf, int len,
int n = 0;
IRDA_ASSERT(buf != NULL, return ret;);
- IRDA_ASSERT(info != 0, return ret;);
+ IRDA_ASSERT(info != NULL, return ret;);
pi_minor = pi & info->pi_mask;
pi_major = pi >> info->pi_major_offset;
@@ -517,7 +517,7 @@ static int irda_param_extract(void *self, __u8 *buf, int len,
int n = 0;
IRDA_ASSERT(buf != NULL, return ret;);
- IRDA_ASSERT(info != 0, return ret;);
+ IRDA_ASSERT(info != NULL, return ret;);
pi_minor = buf[n] & info->pi_mask;
pi_major = buf[n] >> info->pi_major_offset;
@@ -570,7 +570,7 @@ int irda_param_extract_all(void *self, __u8 *buf, int len,
int n = 0;
IRDA_ASSERT(buf != NULL, return ret;);
- IRDA_ASSERT(info != 0, return ret;);
+ IRDA_ASSERT(info != NULL, return ret;);
/*
* Parse all parameters. Each parameter must be at least two bytes
-
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