diff options
Diffstat (limited to 'modutils')
| -rw-r--r-- | modutils/lsmod.c | 19 | ||||
| -rw-r--r-- | modutils/rmmod.c | 63 |
2 files changed, 36 insertions, 46 deletions
diff --git a/modutils/lsmod.c b/modutils/lsmod.c index ed194ed..2bc1ae6 100644 --- a/modutils/lsmod.c +++ b/modutils/lsmod.c @@ -15,7 +15,7 @@ #ifndef CONFIG_FEATURE_CHECK_TAINTED_MODULE -static inline void check_tainted(void) { printf("\n"); } +static void check_tainted(void) { printf("\n"); } #else #define TAINT_FILENAME "/proc/sys/kernel/tainted" #define TAINT_PROPRIETORY_MODULE (1<<0) @@ -80,13 +80,15 @@ int lsmod_main(int argc, char **argv) char *module_names, *mn, *deps, *dn; size_t bufsize, depsize, nmod, count, i, j; - module_names = xmalloc(bufsize = 256); - if (my_query_module(NULL, QM_MODULES, &module_names, &bufsize, &nmod)) { - bb_perror_msg_and_die("QM_MODULES"); + module_names = deps = NULL; + bufsize = depsize = 0; + while(query_module(NULL, QM_MODULES, module_names, bufsize, &nmod)) { + if (errno != ENOSPC) bb_perror_msg_and_die("QM_MODULES"); + module_names = xmalloc(bufsize = nmod); } deps = xmalloc(depsize = 256); - printf("Module Size Used by"); + printf("Module\t\t\tSize Used by"); check_tainted(); for (i = 0, mn = module_names; i < nmod; mn += strlen(mn) + 1, i++) { @@ -98,12 +100,13 @@ int lsmod_main(int argc, char **argv) /* else choke */ bb_perror_msg_and_die("module %s: QM_INFO", mn); } - if (my_query_module(mn, QM_REFS, &deps, &depsize, &count)) { + while (query_module(mn, QM_REFS, deps, depsize, &count)) { if (errno == ENOENT) { /* The module was removed out from underneath us. */ continue; - } - bb_perror_msg_and_die("module %s: QM_REFS", mn); + } else if (errno != ENOSPC) + bb_perror_msg_and_die("module %s: QM_REFS", mn); + deps = xrealloc(deps, count); } printf("%-20s%8lu%4ld", mn, info.size, info.usecount); if (info.flags & NEW_MOD_DELETED) diff --git a/modutils/rmmod.c b/modutils/rmmod.c index 97650a4..8f21031 100644 --- a/modutils/rmmod.c +++ b/modutils/rmmod.c @@ -8,28 +8,17 @@ */ #include "busybox.h" -#include <stdio.h> -#include <errno.h> -#include <unistd.h> -#include <stdlib.h> -#include <getopt.h> -#include <fcntl.h> -#include <string.h> -#include <sys/utsname.h> #include <sys/syscall.h> #ifdef CONFIG_FEATURE_2_6_MODULES static inline void filename2modname(char *modname, const char *afterslash) { unsigned int i; - -#if ENABLE_FEATURE_2_4_MODULES int kr_chk = 1; - if (get_linux_version_code() <= KERNEL_VERSION(2,6,0)) - kr_chk = 0; -#else -#define kr_chk 1 -#endif + + if (ENABLE_FEATURE_2_4_MODULES + && get_linux_version_code() <= KERNEL_VERSION(2,6,0)) + kr_chk = 0; /* Convert to underscores, stop at first . */ for (i = 0; afterslash[i] && afterslash[i] != '.'; i++) { @@ -40,17 +29,19 @@ static inline void filename2modname(char *modname, const char *afterslash) } modname[i] = '\0'; } +#else +void filename2modname(char *modname, const char *afterslash); #endif +// There really should be a header file for this... + +int query_module(const char *name, int which, void *buf, + size_t bufsize, size_t *ret); + int rmmod_main(int argc, char **argv) { int n, ret = EXIT_SUCCESS; unsigned int flags = O_NONBLOCK|O_EXCL; -#ifdef CONFIG_FEATURE_QUERY_MODULE_INTERFACE - /* bb_common_bufsiz1 hold the module names which we ignore - but must get */ - size_t bufsize = sizeof(bb_common_bufsiz1); -#endif /* Parse command line. */ n = bb_getopt_ulflags(argc, argv, "wfa"); @@ -71,12 +62,13 @@ int rmmod_main(int argc, char **argv) bb_perror_msg_and_die("rmmod"); } pnmod = nmod; -#ifdef CONFIG_FEATURE_QUERY_MODULE_INTERFACE - /* 1 == QM_MODULES */ - if (my_query_module(NULL, 1, &bb_common_bufsiz1, &bufsize, &nmod)) { + // the 1 here is QM_MODULES. + if (ENABLE_FEATURE_QUERY_MODULE_INTERFACE && query_module(NULL, + 1, bb_common_bufsiz1, sizeof(bb_common_bufsiz1), + &nmod)) + { bb_perror_msg_and_die("QM_MODULES"); } -#endif } return EXIT_SUCCESS; } @@ -85,21 +77,16 @@ int rmmod_main(int argc, char **argv) bb_show_usage(); for (n = optind; n < argc; n++) { -#ifdef CONFIG_FEATURE_2_6_MODULES - const char *afterslash; - char *module_name; + if (ENABLE_FEATURE_2_6_MODULES) { + const char *afterslash; - afterslash = strrchr(argv[n], '/'); - if (!afterslash) - afterslash = argv[n]; - else - afterslash++; - module_name = alloca(strlen(afterslash) + 1); - filename2modname(module_name, afterslash); -#else -#define module_name argv[n] -#endif - if (syscall(__NR_delete_module, module_name, flags) != 0) { + afterslash = strrchr(argv[n], '/'); + if (!afterslash) afterslash = argv[n]; + else afterslash++; + filename2modname(bb_common_bufsiz1, afterslash); + } + + if (syscall(__NR_delete_module, ENABLE_FEATURE_2_6_MODULES ? bb_common_bufsiz1 : argv[n], flags)) { bb_perror_msg("%s", argv[n]); ret = EXIT_FAILURE; } |