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dynamic_debug: replace strcpy with strlcpy, in ddebug_setup_query()

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Replace strcpy with strlcpy, and add define for the size constant.

[jbaron@redhat.com: Use DDEBUG_STRING_SIZE for overflow check]
Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jim Cromie 2011-12-19 17:12:29 -05:00 committed by Greg Kroah-Hartman
parent 74df138d50
commit bc757f6f5b
1 changed files with 5 additions and 3 deletions
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8
lib/dynamic_debug.c
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@ -525,14 +525,16 @@ EXPORT_SYMBOL(__dynamic_netdev_dbg);
#endif
static __initdata char ddebug_setup_string[1024];
#define DDEBUG_STRING_SIZE 1024
static __initdata char ddebug_setup_string[DDEBUG_STRING_SIZE];
static __init int ddebug_setup_query(char *str)
{
if (strlen(str) >= 1024) {
if (strlen(str) >= DDEBUG_STRING_SIZE) {
pr_warn("ddebug boot param string too large\n");
return 0;
}
strcpy(ddebug_setup_string, str);
strlcpy(ddebug_setup_string, str, DDEBUG_STRING_SIZE);
return 1;
}