libkmod: check for NULL in kmod_get_dirname

The other KMOD_EXPORT'ed functions protect against ctx being NULL.
Add this to kmod_get_dirname purely for consistency reasons.

Signed-off-by: Tobias Stoeckmann <tobias@stoeckmann.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Link: https://github.com/kmod-project/kmod/pull/102
Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>

diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c
index 61efe2d646e8ba9f33e48efc2e7e07c91c2bc7fa..86025514bed111e95859c97857a863955b33ced6 100644 (file)
--- a/libkmod/libkmod.c
+++ b/libkmod/libkmod.c
@@ -146,6 +146,9 @@ static void log_filep(void *data,
  */
 KMOD_EXPORT const char *kmod_get_dirname(const struct kmod_ctx *ctx)
 {
+       if (ctx == NULL)
+               return NULL;
+
        return ctx->dirname;
 }