platform_system_core/toolbox/rmmod.c
Vishal Bhoj fc26c0ba59 toolbox: rmmod: fix module unloading
Replace "-" with "_" in module name. This would keep
rmmod compatible with module-init-tools version of rmmod

Change-Id: I4470d9a98bc2f299acd94859fca4403aee279d2b
Signed-off-by: Vishal Bhoj <vishal.bhoj@linaro.org>
2012-05-15 18:01:34 +05:30

53 lines
1 KiB
C

#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <malloc.h>
#include <errno.h>
#include <asm/unistd.h>
extern int delete_module(const char *, unsigned int);
int rmmod_main(int argc, char **argv)
{
int ret, i;
char *modname, *dot;
/* make sure we've got an argument */
if (argc < 2) {
fprintf(stderr, "usage: rmmod <module>\n");
return -1;
}
/* if given /foo/bar/blah.ko, make a weak attempt
* to convert to "blah", just for convenience
*/
modname = strrchr(argv[1], '/');
if (!modname)
modname = argv[1];
else modname++;
dot = strchr(argv[1], '.');
if (dot)
*dot = '\0';
/* Replace "-" with "_". This would keep rmmod
* compatible with module-init-tools version of
* rmmod
*/
for (i = 0; modname[i] != '\0'; i++) {
if (modname[i] == '-')
modname[i] = '_';
}
/* pass it to the kernel */
ret = delete_module(modname, O_NONBLOCK | O_EXCL);
if (ret != 0) {
fprintf(stderr, "rmmod: delete_module '%s' failed (errno %d)\n",
modname, errno);
return -1;
}
return 0;
}