[PATCH 1/4] libkmod: add MODULE_DIR to override kernel modules directory
From: Nikolay Amiantov <hidden>
Date: 2016-08-16 00:58:14
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Shea Levy <redacted> It is used as a path if this environment variable is set, and `uname -r` is appended to the end. Otherwise, default /lib/modules/`uname -r` is used as usual. --- libkmod/libkmod.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c
index 69fe431..7b0247f 100644
--- a/libkmod/libkmod.c
+++ b/libkmod/libkmod.c@@ -211,7 +211,7 @@ static const char *dirname_default_prefix = "/lib/modules"; 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);
@@ -219,7 +219,10 @@ static char *get_kernel_release(const char *dirname) if (uname(&u) < 0) return NULL; - if (asprintf(&p, "%s/%s", dirname_default_prefix, u.release) < 0) + if ((dirname_prefix = getenv("MODULE_DIR")) == NULL) + dirname_prefix = dirname_default_prefix; + + if (asprintf(&p, "%s/%s", dirname_prefix, u.release) < 0) return NULL; return p;
--
2.9.2