diff options
Diffstat (limited to 'nixpkgs/pkgs/os-specific/linux/kmod/module-dir.patch')
| -rw-r--r-- | nixpkgs/pkgs/os-specific/linux/kmod/module-dir.patch | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/os-specific/linux/kmod/module-dir.patch b/nixpkgs/pkgs/os-specific/linux/kmod/module-dir.patch new file mode 100644 index 000000000000..f7432e3756e9 --- /dev/null +++ b/nixpkgs/pkgs/os-specific/linux/kmod/module-dir.patch @@ -0,0 +1,157 @@ +diff --git a/Makefile.am b/Makefile.am +index d4eeb7e..5c9f603 100644 +--- a/Makefile.am ++++ b/Makefile.am +@@ -19,6 +19,7 @@ AM_CPPFLAGS = \ + -include $(top_builddir)/config.h \ + -I$(top_srcdir) \ + -DSYSCONFDIR=\""$(sysconfdir)"\" \ ++ -DMODULESDIRS=\""$(shell echo $(modulesdirs) | $(SED) 's|:|\\",\\"|g')"\" \ + ${zlib_CFLAGS} + + AM_CFLAGS = $(OUR_CFLAGS) +diff --git a/configure.ac b/configure.ac +index 23510c8..66490cf 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -202,6 +202,12 @@ GTK_DOC_CHECK([1.14],[--flavour no-tmpl-flat]) + ], [ + AM_CONDITIONAL([ENABLE_GTK_DOC], false)]) + ++AC_ARG_WITH([modulesdirs], ++ AS_HELP_STRING([--with-modulesdirs=DIRS], [Kernel modules directories, separated by :]), ++ [], ++ [with_modulesdirs=/lib/modules]) ++AC_SUBST([modulesdirs], [$with_modulesdirs]) ++ + + ##################################################################### + # Default CFLAGS and LDFLAGS +diff --git a/libkmod/libkmod.c b/libkmod/libkmod.c +index 69fe431..d37da32 100644 +--- a/libkmod/libkmod.c ++++ b/libkmod/libkmod.c +@@ -206,12 +206,15 @@ static int log_priority(const char *priority) + return 0; + } + +-static const char *dirname_default_prefix = "/lib/modules"; ++static const char *dirname_default_prefixes[] = { ++ MODULESDIRS, ++ NULL ++}; + + 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); +@@ -219,8 +222,42 @@ 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) +- return NULL; ++ if ((dirname_prefix = getenv("MODULE_DIR")) != NULL) { ++ if(asprintf(&p, "%s/%s", dirname_prefix, u.release) < 0) ++ return NULL; ++ } else { ++ size_t i; ++ char buf[PATH_MAX]; ++ ++ for (i = 0; dirname_default_prefixes[i] != NULL; i++) { ++ int plen; ++ struct stat dirstat; ++ ++ plen = snprintf(buf, sizeof(buf), "%s/%s", dirname_default_prefixes[i], u.release); ++ if (plen < 0) ++ return NULL; ++ else if (plen >= PATH_MAX) ++ continue; ++ ++ if (dirname_default_prefixes[i + 1] != NULL) { ++ if (stat(buf, &dirstat) < 0) { ++ if (errno == ENOENT) ++ continue; ++ else ++ return NULL; ++ } ++ ++ if (!S_ISDIR(dirstat.st_mode)) ++ continue; ++ } ++ ++ p = malloc(plen + 1); ++ if (p == NULL) ++ return NULL; ++ memcpy(p, buf, plen + 1); ++ break; ++ } ++ } + + return p; + } +diff --git a/tools/static-nodes.c b/tools/static-nodes.c +index 8d2356d..2ed306d 100644 +--- a/tools/static-nodes.c ++++ b/tools/static-nodes.c +@@ -29,10 +29,11 @@ + #include <unistd.h> + #include <sys/stat.h> + #include <sys/types.h> +-#include <sys/utsname.h> + + #include <shared/util.h> + ++#include <libkmod/libkmod.h> ++ + #include "kmod.h" + + struct static_nodes_format { +@@ -154,8 +155,8 @@ static void help(void) + + static int do_static_nodes(int argc, char *argv[]) + { +- struct utsname kernel; + char modules[PATH_MAX], buf[4096]; ++ struct kmod_ctx *ctx; + const char *output = "/dev/stdout"; + FILE *in = NULL, *out = NULL; + const struct static_nodes_format *format = &static_nodes_format_human; +@@ -206,22 +207,25 @@ static int do_static_nodes(int argc, char *argv[]) + } + } + +- if (uname(&kernel) < 0) { +- fputs("Error: uname failed!\n", stderr); ++ ctx = kmod_new(NULL, NULL); ++ if (ctx == NULL) { ++ fprintf(stderr, "Error: failed to create kmod context\n"); + ret = EXIT_FAILURE; + goto finish; + } +- +- snprintf(modules, sizeof(modules), "/lib/modules/%s/modules.devname", kernel.release); ++ if (snprintf(modules, sizeof(modules), "%s/modules.devname", kmod_get_dirname(ctx)) < 0) { ++ fprintf(stderr, "Error: path to modules.devname is too long\n"); ++ ret = EXIT_FAILURE; ++ goto finish; ++ } ++ kmod_unref(ctx); + in = fopen(modules, "re"); + if (in == NULL) { + if (errno == ENOENT) { +- fprintf(stderr, "Warning: /lib/modules/%s/modules.devname not found - ignoring\n", +- kernel.release); ++ fprintf(stderr, "Warning: %s not found - ignoring\n", modules); + ret = EXIT_SUCCESS; + } else { +- fprintf(stderr, "Error: could not open /lib/modules/%s/modules.devname - %m\n", +- kernel.release); ++ fprintf(stderr, "Error: could not open %s - %m\n", modules); + ret = EXIT_FAILURE; + } + goto finish; |