diff options
Diffstat (limited to 'kernel/debug/kdb/kdb_main.c')
| -rw-r--r-- | kernel/debug/kdb/kdb_main.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 0e31e88e99e7..1ec704355767 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -50,8 +50,7 @@ static int kdb_cmd_enabled = CONFIG_KDB_DEFAULT_ENABLE; module_param_named(cmd_enable, kdb_cmd_enabled, int, 0600); -#define GREP_LEN 256 -char kdb_grep_string[GREP_LEN]; +char kdb_grep_string[KDB_GREP_STRLEN]; int kdb_grepping_flag; EXPORT_SYMBOL(kdb_grepping_flag); int kdb_grep_leading; @@ -870,7 +869,7 @@ static void parse_grep(const char *str) len = strlen(cp); if (!len) return; - if (len >= GREP_LEN) { + if (len >= KDB_GREP_STRLEN) { kdb_printf("search string too long\n"); return; } @@ -1280,6 +1279,8 @@ static int kdb_local(kdb_reason_t reason, int error, struct pt_regs *regs, kdb_nextline = 1; KDB_STATE_CLEAR(SUPPRESS); kdb_grepping_flag = 0; + /* ensure the old search does not leak into '/' commands */ + kdb_grep_string[0] = '\0'; cmdbuf = cmd_cur; *cmdbuf = '\0'; |