libkmod: kmod_log_null: qualify ctx argument as const

kmod_log_null() does not change ctx (does nothing).

Fix warnings

In file included from libkmod/libkmod-index.c:33:
libkmod/libkmod-index.c: In function ‘index_mm_open’:
libkmod/libkmod-index.c:757:6: warning: passing argument 1 of ‘kmod_log_null’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
  757 |  DBG(ctx, "file=%s\n", filename);

Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@redhat.com>

diff --git a/libkmod/libkmod-internal.h b/libkmod/libkmod-internal.h
index b22ac2a5f89e1a48a9ee52aee916c7c2c5295ec6..398af9ce756a2ad22fcbac115aa90ca218a0514d 100644 (file)
--- a/libkmod/libkmod-internal.h
+++ b/libkmod/libkmod-internal.h
@@ -11,7 +11,7 @@
 #include "libkmod.h"
 
 static _always_inline_ _printf_format_(2, 3) void
-       kmod_log_null(struct kmod_ctx *ctx, const char *format, ...) {}
+       kmod_log_null(const struct kmod_ctx *ctx, const char *format, ...) {}
 
 #define kmod_log_cond(ctx, prio, arg...) \
        do { \