defcmd_in_progress  is the state trace for command group processing
- within a command group or not -  usable  is an indicator if a command 
set is valid (allocated/non-empty) - so use a bool for those binary 
indication here.

Signed-off-by: Nicholas Mc Guire <hof...@osadl.org>
---

Found during code review.
Not a functional issue - just type correctness.

Patch was compile tested with: x86_64_defconfig + CONFIG_KGDB=y,
CONFIG_KGDB_KDB=y
(some sparse/smatch warnings not related to the proposed change though)

Patch is against 4.18-rc5 (localversion-next is next-20180720)

 kernel/debug/kdb/kdb_main.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index bb4fe4e..fda515a 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -658,7 +658,7 @@ static void kdb_cmderror(int diag)
  */
 struct defcmd_set {
        int count;
-       int usable;
+       bool usable;
        char *name;
        char *usage;
        char *help;
@@ -666,7 +666,7 @@ struct defcmd_set {
 };
 static struct defcmd_set *defcmd_set;
 static int defcmd_set_count;
-static int defcmd_in_progress;
+static bool defcmd_in_progress;
 
 /* Forward references */
 static int kdb_exec_defcmd(int argc, const char **argv);
@@ -676,9 +676,9 @@ static int kdb_defcmd2(const char *cmdstr, const char 
*argv0)
        struct defcmd_set *s = defcmd_set + defcmd_set_count - 1;
        char **save_command = s->command;
        if (strcmp(argv0, "endefcmd") == 0) {
-               defcmd_in_progress = 0;
+               defcmd_in_progress = false;
                if (!s->count)
-                       s->usable = 0;
+                       s->usable = false;
                if (s->usable)
                        /* macros are always safe because when executed each
                         * internal command re-enters kdb_parse() and is
@@ -695,7 +695,7 @@ static int kdb_defcmd2(const char *cmdstr, const char 
*argv0)
        if (!s->command) {
                kdb_printf("Could not allocate new kdb_defcmd table for %s\n",
                           cmdstr);
-               s->usable = 0;
+               s->usable = false;
                return KDB_NOTIMP;
        }
        memcpy(s->command, save_command, s->count * sizeof(*(s->command)));
@@ -737,7 +737,7 @@ static int kdb_defcmd(int argc, const char **argv)
               defcmd_set_count * sizeof(*defcmd_set));
        s = defcmd_set + defcmd_set_count;
        memset(s, 0, sizeof(*s));
-       s->usable = 1;
+       s->usable = true;
        s->name = kdb_strdup(argv[1], GFP_KDB);
        if (!s->name)
                goto fail_name;
@@ -756,7 +756,7 @@ static int kdb_defcmd(int argc, const char **argv)
                s->help[strlen(s->help)-1] = '\0';
        }
        ++defcmd_set_count;
-       defcmd_in_progress = 1;
+       defcmd_in_progress = true;
        kfree(save_defcmd_set);
        return 0;
 fail_help:
-- 
2.1.4


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