This time, really fix endian bugs accessing ioctl arguments that
are passed by value. These are KDSKBMODE, KDSETLED, KDSKBSTATE, and KDSETRAD. Tested on: amd64, sparc64 (demo code)
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parent
5fd885b07b
commit
9cd96497d6
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=162440
@ -1051,7 +1051,7 @@ kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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case KDSKBMODE: /* set keyboard mode */
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KBDMUX_LOCK(state);
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switch (*((int *) arg)) {
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switch ((int)*(intptr_t *)arg) {
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case K_XLATE:
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if (state->ks_mode != K_XLATE) {
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/* make lock key state and LED state match */
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@ -1062,9 +1062,9 @@ kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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case K_RAW:
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case K_CODE:
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if (state->ks_mode != *((int *) arg)) {
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if (state->ks_mode != (int)*(intptr_t *)arg) {
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kbdmux_clear_state_locked(state);
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state->ks_mode = *((int *) arg);
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state->ks_mode = (int)*(intptr_t *)arg;
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}
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break;
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@ -1086,13 +1086,13 @@ kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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KBDMUX_LOCK(state);
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/* NOTE: lock key state in ks_state won't be changed */
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if (*((int *) arg) & ~LOCK_MASK) {
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if ((int)*(intptr_t *)arg & ~LOCK_MASK) {
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KBDMUX_UNLOCK(state);
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return (EINVAL);
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}
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KBD_LED_VAL(kbd) = *((int *) arg);
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KBD_LED_VAL(kbd) = (int)*(intptr_t *)arg;
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/* KDSETLED on all slave keyboards */
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SLIST_FOREACH(k, &state->ks_kbds, next)
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@ -1110,14 +1110,14 @@ kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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case KDSKBSTATE: /* set lock key state */
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KBDMUX_LOCK(state);
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if (*((int *) arg) & ~LOCK_MASK) {
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if ((int)*(intptr_t *)arg & ~LOCK_MASK) {
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KBDMUX_UNLOCK(state);
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return (EINVAL);
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}
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state->ks_state &= ~LOCK_MASK;
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state->ks_state |= *((int *) arg);
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state->ks_state |= (int)*(intptr_t *)arg;
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/* KDSKBSTATE on all slave keyboards */
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SLIST_FOREACH(k, &state->ks_kbds, next)
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@ -1147,7 +1147,7 @@ kbdmux_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
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break;
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mode |= i;
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} else
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mode = *((int *) arg);
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mode = (int)*(intptr_t *)arg;
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if (mode & ~0x7f) {
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KBDMUX_UNLOCK(state);
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