X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fgeneric%2Fpatches-3.18%2F995-mangle_bootargs.patch;h=0029e9082284dac74343667fe1de9f76a85a4c06;hb=9a59b350b7587eae4bcf6091b4dc86a4ee92bcf6;hp=5d56cf44626fe2d70b0a03f748c14e220e8a900b;hpb=17fb965d6baadc0ac6d39e7cb89954722f2ea7d2;p=openwrt%2Fopenwrt.git

diff --git a/target/linux/generic/patches-3.18/995-mangle_bootargs.patch b/target/linux/generic/patches-3.18/995-mangle_bootargs.patch
index 5d56cf4462..0029e90822 100644
--- a/target/linux/generic/patches-3.18/995-mangle_bootargs.patch
+++ b/target/linux/generic/patches-3.18/995-mangle_bootargs.patch
@@ -1,8 +1,8 @@
 --- a/init/main.c
 +++ b/init/main.c
-@@ -379,6 +379,26 @@ static void __init setup_command_line(ch
- 	strcpy(static_command_line, command_line);
- }
+@@ -362,6 +362,29 @@ static inline void setup_nr_cpu_ids(void
+ static inline void smp_prepare_cpus(unsigned int maxcpus) { }
+ #endif
  
 +#ifdef CONFIG_MANGLE_BOOTARGS
 +static void __init mangle_bootargs(char *command_line)
@@ -11,10 +11,14 @@
 +	char *rootfs;
 +
 +	rootdev = strstr(command_line, "root=/dev/mtdblock");
-+	strncpy(rootdev, "mangled_rootblock=", 18);
++
++	if (rootdev)
++		strncpy(rootdev, "mangled_rootblock=", 18);
 +
 +	rootfs = strstr(command_line, "rootfstype");
-+	strncpy(rootfs, "mangled_fs", 10);
++
++	if (rootfs)
++		strncpy(rootfs, "mangled_fs", 10);
 +
 +}
 +#else
@@ -22,12 +26,11 @@
 +{
 +}
 +#endif
-+
 +
  /*
-  * We need to finalize in a non-__init function or else race conditions
-  * between the root thread and the init thread may cause start_kernel to
-@@ -530,6 +550,7 @@ asmlinkage __visible void __init start_k
+  * We need to store the untouched command line for future reference.
+  * We also need to store the touched command line since the parameter
+@@ -530,6 +553,7 @@ asmlinkage __visible void __init start_k
  	pr_notice("%s", linux_banner);
  	setup_arch(&command_line);
  	mm_init_cpumask(&init_mm);