1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
This patch changes 'modprobe' & co. so they honor the 'LINUX_MODULE_DIRECTORY'
environment variable, rather than looking for modules exclusively in
/lib/modules.
Patch by David Guibert, from Nixpkgs; adjusted to use 'LINUX_MODULE_DIRECTORY'
rather than 'MODULE_DIR' as the variable name.
commit cf2c95edb7918bc658f6cae93793c1949fc9cb6e
Author: David Guibert <david.guibert@gmail.com>
Date: Fri Aug 5 14:20:12 2011 +0200
introduce module-dir
diff --git a/depmod.c b/depmod.c
index a1d2f8c..9362a35 100644
--- a/depmod.c
+++ b/depmod.c
@@ -48,9 +48,6 @@
#include "testing.h"
-#ifndef MODULE_DIR
-#define MODULE_DIR "/lib/modules/"
-#endif
#ifndef MODULE_BUILTIN_KEY
#define MODULE_BUILTIN_KEY "built-in"
@@ -1516,6 +1513,7 @@ static int parse_config_file(const char *filename,
char *line;
unsigned int linenum = 0;
FILE *cfile;
+ char *module_dir;
cfile = fopen(filename, "r");
if (!cfile) {
@@ -1525,6 +1523,10 @@ static int parse_config_file(const char *filename,
return 0;
}
+ if((module_dir = getenv("LINUX_MODULE_DIRECTORY")) == NULL) {
+ module_dir = "/lib/modules/";
+ }
+
while ((line = getline_wrapped(cfile, &linenum)) != NULL) {
char *ptr = line;
char *cmd, *modname;
@@ -1550,7 +1552,7 @@ static int parse_config_file(const char *filename,
continue;
}
nofail_asprintf(&dirname, "%s%s%s/%s", basedir,
- MODULE_DIR, kernelversion, search_path);
+ module_dir, kernelversion, search_path);
len = strlen(dirname);
*search = add_search(dirname, len, *search);
free(dirname);
@@ -1565,7 +1567,7 @@ static int parse_config_file(const char *filename,
continue;
nofail_asprintf(&pathname, "%s%s%s/%s/%s.ko", basedir,
- MODULE_DIR, kernelversion, subdir, modname);
+ module_dir, kernelversion, subdir, modname);
*overrides = add_override(pathname, *overrides);
free(pathname);
@@ -1737,6 +1739,7 @@ int main(int argc, char *argv[])
char *basedir = "", *dirname, *version;
char *system_map = NULL, *module_symvers = NULL;
int i;
+ char *module_dir;
const char *config = NULL;
if (native_endianness() == 0)
@@ -1832,7 +1835,11 @@ int main(int argc, char *argv[])
if (optind == argc)
all = 1;
- nofail_asprintf(&dirname, "%s%s%s", basedir, MODULE_DIR, version);
+ if((module_dir = getenv("LINUX_MODULE_DIRECTORY")) == NULL) {
+ module_dir = "/lib/modules/";
+ }
+
+ nofail_asprintf(&dirname, "%s%s%s", basedir, module_dir, version);
if (maybe_all) {
if (!doing_stdout && !depfile_out_of_date(dirname))
@@ -1850,7 +1857,7 @@ int main(int argc, char *argv[])
size_t len;
nofail_asprintf(&dirname, "%s%s%s/updates", basedir,
- MODULE_DIR, version);
+ module_dir, version);
len = strlen(dirname);
search = add_search(dirname, len, search);
}
diff --git a/modinfo.c b/modinfo.c
index 1dd8469..67b1041 100644
--- a/modinfo.c
+++ b/modinfo.c
@@ -19,9 +19,6 @@
#include "zlibsupport.h"
#include "testing.h"
-#ifndef MODULE_DIR
-#define MODULE_DIR "/lib/modules"
-#endif
struct param
{
@@ -193,6 +190,11 @@ static struct elf_file *grab_module(const char *name,
struct utsname buf;
char *depname, *p, *moddir;
struct elf_file *module;
+ char *module_dir;
+
+ if((module_dir = getenv("LINUX_MODULE_DIRECTORY")) == NULL) {
+ module_dir = "/lib/modules/";
+ }
if (strchr(name, '.') || strchr(name, '/')) {
module = grab_elf_file(name);
@@ -207,9 +209,9 @@ static struct elf_file *grab_module(const char *name,
kernel = buf.release;
}
if (strlen(basedir))
- nofail_asprintf(&moddir, "%s/%s/%s", basedir, MODULE_DIR, kernel);
+ nofail_asprintf(&moddir, "%s/%s/%s", basedir, module_dir, kernel);
else
- nofail_asprintf(&moddir, "%s/%s", MODULE_DIR, kernel);
+ nofail_asprintf(&moddir, "%s/%s", module_dir, kernel);
/* Search for it in modules.dep. */
nofail_asprintf(&depname, "%s/%s", moddir, "modules.dep");
diff --git a/modprobe.c b/modprobe.c
index 5464f45..d9fbf9d 100644
--- a/modprobe.c
+++ b/modprobe.c
@@ -86,10 +86,6 @@ typedef enum
} modprobe_flags_t;
-#ifndef MODULE_DIR
-#define MODULE_DIR "/lib/modules"
-#endif
-
/**
* print_usage - output the prefered program usage
*
@@ -2136,6 +2132,7 @@ int main(int argc, char *argv[])
struct modprobe_conf conf = {};
recursion_depth = 0;
+ char *module_dir = NULL;
/* Prepend options from environment. */
argv = merge_args(getenv("MODPROBE_OPTIONS"), argv, &argc);
@@ -2233,7 +2230,11 @@ int main(int argc, char *argv[])
if (argc < optind + 1 && !dump_config && !list_only)
print_usage(argv[0]);
- nofail_asprintf(&dirname, "%s%s/%s", basedir, MODULE_DIR, buf.release);
+ if((module_dir = getenv("LINUX_MODULE_DIRECTORY")) == NULL) {
+ module_dir = "/lib/modules";
+ }
+
+ nofail_asprintf(&dirname, "%s%s/%s", basedir, module_dir, buf.release);
/* Old-style -t xxx wildcard? Only with -l. */
if (list_only) {
|
