busybox: Fix insmod for linux 3.0

Insmod silently rejected being run on any non 2.x kernel. Make its version
check allow newer kernels (and reject 2.4- when not enabling the 2.4
feature).

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>

SVN-Revision: 27189
This commit is contained in:
Hauke Mehrtens 2011-06-15 21:17:52 +00:00
parent e8974127fb
commit b213493bda

View file

@ -1,6 +1,6 @@
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -11,6 +11,99 @@
@@ -11,6 +11,106 @@
#include "libbb.h"
#include "modutils.h"
@ -37,20 +37,27 @@
+ char *module_dir, real_module_dir[FILENAME_MAX];
+ int len, slen, ret = ENOENT, k_version;
+ struct utsname myuname;
+ const char *suffix;
+ const char *suffix = ".ko";
+ struct stat st;
+
+ /* check the kernel version */
+ if ((uname(&myuname) != 0) || (myuname.release[0] != '2'))
+ if (uname(&myuname) != 0)
+ return EINVAL;
+
+ k_version = myuname.release[2] - '0';
+ k_version = myuname.release[0] - '0';
+
+ if (k_version < 2 || k_version > 9)
+ return EINVAL;
+
+ if (k_version == 2) {
+ int k_patchlevel = myuname.release[2] - '0';
+ if (k_patchlevel <= 4)
+#if ENABLE_FEATURE_2_4_MODULES
+ if (k_version <= 4)
+ suffix = ".o";
+ else
+#else
+ return EINVAL;
+#endif
+ suffix = ".ko";
+ }
+
+ len = strlen(filename);
+ slen = strlen(suffix);
@ -100,7 +107,7 @@
/* 2.6 style insmod has no options and required filename
* (not module name - .ko can't be omitted) */
@@ -59,9 +152,15 @@ int insmod_main(int argc UNUSED_PARAM, c
@@ -59,9 +159,15 @@ int insmod_main(int argc UNUSED_PARAM, c
if (!filename)
bb_show_usage();