generic: fix kexec build error for MIPS with gcc-4.6-linaro

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30395 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic/patches-2.6.39/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch

@@ -39,7 +39,7 @@
 -	int i, argc = 0;
 -	char *bootloader = "kexec";
 -	int *kexec_argv = (int *)kexec_args[1];
-+	void __user *buf;
++	void __user *buf = NULL;
 +	size_t bufsz;
 +	size_t size;
 +	int i;
@@ -92,7 +92,7 @@
 +		break;
 +	}
 +
-+	if (i >= image->nr_segments)
++	if (!buf)
 +		return;
 +
 +	size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;

target/linux/generic/patches-3.0/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch

@@ -39,7 +39,7 @@
 -	int i, argc = 0;
 -	char *bootloader = "kexec";
 -	int *kexec_argv = (int *)kexec_args[1];
-+	void __user *buf;
++	void __user *buf = NULL;
 +	size_t bufsz;
 +	size_t size;
 +	int i;
@@ -92,7 +92,7 @@
 +		break;
 +	}
 +
-+	if (i >= image->nr_segments)
++	if (!buf)
 +		return;
 +
 +	size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;

target/linux/generic/patches-3.1/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch

@@ -39,7 +39,7 @@
 -	int i, argc = 0;
 -	char *bootloader = "kexec";
 -	int *kexec_argv = (int *)kexec_args[1];
-+	void __user *buf;
++	void __user *buf = NULL;
 +	size_t bufsz;
 +	size_t size;
 +	int i;
@@ -92,7 +92,7 @@
 +		break;
 +	}
 +
-+	if (i >= image->nr_segments)
++	if (!buf)
 +		return;
 +
 +	size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;

target/linux/generic/patches-3.2/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch

@@ -39,7 +39,7 @@
 -	int i, argc = 0;
 -	char *bootloader = "kexec";
 -	int *kexec_argv = (int *)kexec_args[1];
-+	void __user *buf;
++	void __user *buf = NULL;
 +	size_t bufsz;
 +	size_t size;
 +	int i;
@@ -92,7 +92,7 @@
 +		break;
 +	}
 +
-+	if (i >= image->nr_segments)
++	if (!buf)
 +		return;
 +
 +	size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;

target/linux/generic/patches-3.3/335-mips-kexec-cleanup-kexec-tools-parameter-handling.patch

@@ -39,7 +39,7 @@
 -	int i, argc = 0;
 -	char *bootloader = "kexec";
 -	int *kexec_argv = (int *)kexec_args[1];
-+	void __user *buf;
++	void __user *buf = NULL;
 +	size_t bufsz;
 +	size_t size;
 +	int i;
@@ -92,7 +92,7 @@
 +		break;
 +	}
 +
-+	if (i >= image->nr_segments)
++	if (!buf)
 +		return;
 +
 +	size = KEXEC_MIPS_ARGV_BUF_SIZE - 1;