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This patch changes libkmod so it honors the 'LINUX_MODULE_DIRECTORY'
environment variable, rather than looking for modules exclusively in
/lib/modules.
Patch by Shea Levy, from Nixpkgs; adjusted to use 'LINUX_MODULE_DIRECTORY'
rather than 'MODULE_DIR' as the variable name.
--- kmod-7/libkmod/libkmod.c 2012-03-15 08:19:16.750010226 -0400
+++ kmod-7/libkmod/libkmod.c 2012-04-04 15:21:29.532074313 -0400
@@ -200,7 +200,7 @@
static char *get_kernel_release(const char *dirname)
{
struct utsname u;
- char *p;
+ char *p, *dirname_prefix;
if (dirname != NULL)
return path_make_absolute_cwd(dirname);
@@ -208,7 +208,10 @@
if (uname(&u) < 0)
return NULL;
- if (asprintf(&p, "%s/%s", dirname_default_prefix, u.release) < 0)
+ if ((dirname_prefix = getenv("LINUX_MODULE_DIRECTORY")) == NULL)
+ dirname_prefix = dirname_default_prefix;
+
+ if (asprintf(&p, "%s/%s", dirname_prefix, u.release) < 0)
return NULL;
return p;
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