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Diffstat (limited to 'arch/x86/boot/cmdline.c')
-rw-r--r--arch/x86/boot/cmdline.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c
index 680408a0f46..625d21b0cd3 100644
--- a/arch/x86/boot/cmdline.c
+++ b/arch/x86/boot/cmdline.c
@@ -9,8 +9,6 @@
* ----------------------------------------------------------------------- */
/*
- * arch/i386/boot/cmdline.c
- *
* Simple command-line parser for early boot.
*/
@@ -29,9 +27,8 @@ static inline int myisspace(u8 c)
* Returns the length of the argument (regardless of if it was
* truncated to fit in the buffer), or -1 on not found.
*/
-int cmdline_find_option(const char *option, char *buffer, int bufsize)
+int __cmdline_find_option(unsigned long cmdline_ptr, const char *option, char *buffer, int bufsize)
{
- u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr;
addr_t cptr;
char c;
int len = -1;
@@ -44,8 +41,8 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize)
st_bufcpy /* Copying this to buffer */
} state = st_wordstart;
- if (!cmdline_ptr || cmdline_ptr >= 0x100000)
- return -1; /* No command line, or inaccessible */
+ if (!cmdline_ptr)
+ return -1; /* No command line */
cptr = cmdline_ptr & 0xf;
set_fs(cmdline_ptr >> 4);
@@ -102,9 +99,8 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize)
* Returns the position of that option (starts counting with 1)
* or 0 on not found
*/
-int cmdline_find_option_bool(const char *option)
+int __cmdline_find_option_bool(unsigned long cmdline_ptr, const char *option)
{
- u32 cmdline_ptr = boot_params.hdr.cmd_line_ptr;
addr_t cptr;
char c;
int pos = 0, wstart = 0;
@@ -115,8 +111,8 @@ int cmdline_find_option_bool(const char *option)
st_wordskip, /* Miscompare, skip */
} state = st_wordstart;
- if (!cmdline_ptr || cmdline_ptr >= 0x100000)
- return -1; /* No command line, or inaccessible */
+ if (!cmdline_ptr)
+ return -1; /* No command line */
cptr = cmdline_ptr & 0xf;
set_fs(cmdline_ptr >> 4);