From: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Date: Wed, 7 Dec 2011 16:08:01 +0000 (-0200)
Subject: kmod_module: treat module creation by path with same names
X-Git-Tag: v1~73
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6bd0b8d01df7912cd6a7f209db822feff393b59f;p=platform%2Fupstream%2Fkmod.git

kmod_module: treat module creation by path with same names

If a module with the same name already exists, try to reference it if
paths are the same. Otherwise fail.
---

diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index 0aee3ee..3acd5b0 100644
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -202,7 +202,17 @@ KMOD_EXPORT int kmod_module_new_from_path(struct kmod_ctx *ctx,
 
 	m = kmod_pool_get_module(ctx, name);
 	if (m != NULL) {
-		free(abspath);
+		if (m->path == NULL)
+			m->path = abspath;
+		else if (streq(m->path, abspath))
+			free(abspath);
+		else {
+			ERR(ctx, "kmod_module '%s' already exists with different path\n",
+									name);
+			free(abspath);
+			return -EEXIST;
+		}
+
 		*mod = kmod_module_ref(m);
 		return 0;
 	}