console: more buf for index parsing

Change name to buf according to the usage as name + index

Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Gerd Hoffmann <kraxel@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/printk.c b/kernel/printk.c
index 0bbdeac2810cb53c4960cb303f4b396d29cbb341..4961410ba3672d5f6137a3b3e6f62e6785485aa3 100644 (file)
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -654,7 +654,7 @@ static void call_console_drivers(unsigned long start, unsigned long end)
  */
 static int __init console_setup(char *str)
 {
-       char name[sizeof(console_cmdline[0].name)];
+       char buf[sizeof(console_cmdline[0].name) + 4]; /* 4 for index */
        char *s, *options;
        int idx;
 
@@ -662,27 +662,27 @@ static int __init console_setup(char *str)
         * Decode str into name, index, options.
         */
        if (str[0] >= '0' && str[0] <= '9') {
-               strcpy(name, "ttyS");
-               strncpy(name + 4, str, sizeof(name) - 5);
+               strcpy(buf, "ttyS");
+               strncpy(buf + 4, str, sizeof(buf) - 5);
        } else {
-               strncpy(name, str, sizeof(name) - 1);
+               strncpy(buf, str, sizeof(buf) - 1);
        }
-       name[sizeof(name) - 1] = 0;
+       buf[sizeof(buf) - 1] = 0;
        if ((options = strchr(str, ',')) != NULL)
                *(options++) = 0;
 #ifdef __sparc__
        if (!strcmp(str, "ttya"))
-               strcpy(name, "ttyS0");
+               strcpy(buf, "ttyS0");
        if (!strcmp(str, "ttyb"))
-               strcpy(name, "ttyS1");
+               strcpy(buf, "ttyS1");
 #endif
-       for (s = name; *s; s++)
+       for (s = buf; *s; s++)
                if ((*s >= '0' && *s <= '9') || *s == ',')
                        break;
        idx = simple_strtoul(s, NULL, 10);
        *s = 0;
 
-       add_preferred_console(name, idx, options);
+       add_preferred_console(buf, idx, options);
        return 1;
 }
 __setup("console=", console_setup);
@@ -709,7 +709,7 @@ int __init add_preferred_console(char *name, int idx, char *options)
         *      See if this tty is not yet registered, and
         *      if we have a slot free.
         */
-       for(i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++)
+       for (i = 0; i < MAX_CMDLINECONSOLES && console_cmdline[i].name[0]; i++)
                if (strcmp(console_cmdline[i].name, name) == 0 &&
                          console_cmdline[i].index == idx) {
                                selected_console = i;