1 #include <stdio.h> 2 #include <string.h> 3 #include <fcntl.h> 4 #include <unistd.h> 5 #include <malloc.h> 6 #include <errno.h> 7 #include <asm/unistd.h> 8 9 extern int delete_module(const char *, unsigned int); 10 11 int rmmod_main(int argc, char **argv) 12 { 13 int ret; 14 char *modname, *dot; 15 16 /* make sure we've got an argument */ 17 if (argc < 2) { 18 fprintf(stderr, "usage: rmmod <module>\n"); 19 return -1; 20 } 21 22 /* if given /foo/bar/blah.ko, make a weak attempt 23 * to convert to "blah", just for convenience 24 */ 25 modname = strrchr(argv[1], '/'); 26 if (!modname) 27 modname = argv[1]; 28 dot = strchr(argv[1], '.'); 29 if (dot) 30 *dot = '\0'; 31 32 /* pass it to the kernel */ 33 ret = delete_module(modname, O_NONBLOCK | O_EXCL); 34 if (ret != 0) { 35 fprintf(stderr, "rmmod: delete_module '%s' failed (errno %d)\n", 36 modname, errno); 37 return -1; 38 } 39 40 return 0; 41 } 42 43
