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Added call to elf_brand_inuse() to prevent you from cutting your own

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legs out from under you.
This commit is contained in:
Mark Newton 1999-02-04 21:20:13 +00:00
parent c5145ee62d
commit d27583423e
2 changed files with 22 additions and 6 deletions
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14
sys/alpha/linux/linux_sysvec.c
View file

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: linux_sysvec.c,v 1.43 1999/01/06 23:05:38 julian Exp $
* $Id: linux_sysvec.c,v 1.44 1999/01/17 20:36:14 peter Exp $
*/
/* XXX we use functions that might not exist. */
@ -471,8 +471,16 @@ linux_elf_modevent(module_t mod, int type, void *data)
case MOD_UNLOAD:
for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL;
++brandinfo)
if (elf_remove_brand_entry(*brandinfo) < 0)
error = EINVAL;
if (elf_brand_inuse(*brandinfo)) {
error = EBUSY;
}
if (error == 0) {
for (brandinfo = &linux_brandlist[0];
*brandinfo != NULL; ++brandinfo)
if (elf_remove_brand_entry(*brandinfo) < 0)
error = EINVAL;
}
if (error)
printf("Could not deinstall ELF interpreter entry\n");
else if (bootverbose)

14
sys/i386/linux/linux_sysvec.c
View file

@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: linux_sysvec.c,v 1.43 1999/01/06 23:05:38 julian Exp $
* $Id: linux_sysvec.c,v 1.44 1999/01/17 20:36:14 peter Exp $
*/
/* XXX we use functions that might not exist. */
@ -471,8 +471,16 @@ linux_elf_modevent(module_t mod, int type, void *data)
case MOD_UNLOAD:
for (brandinfo = &linux_brandlist[0]; *brandinfo != NULL;
++brandinfo)
if (elf_remove_brand_entry(*brandinfo) < 0)
error = EINVAL;
if (elf_brand_inuse(*brandinfo)) {
error = EBUSY;
}
if (error == 0) {
for (brandinfo = &linux_brandlist[0];
*brandinfo != NULL; ++brandinfo)
if (elf_remove_brand_entry(*brandinfo) < 0)
error = EINVAL;
}
if (error)
printf("Could not deinstall ELF interpreter entry\n");
else if (bootverbose)