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fixes: input error handling & audio segfault

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Merge remote-tracking branch 'remotes/kraxel/tags/fixes-20200325-pull-request' into staging

fixes: input error handling & audio segfault

# gpg: Signature made Wed 25 Mar 2020 10:58:26 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/fixes-20200325-pull-request:
  hw/audio/fmopl: fix segmentation fault
  ui/input-linux: Do not ignore ioctl() return value

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2020-03-25 21:23:33 +00:00
parent 736cf607e4 95fad99cb2
commit 042abffc5e
2 changed files with 29 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
hw/audio/fmopl.c
View file

@ -627,6 +627,7 @@ static int OPLOpenTable( void )
free(AMS_TABLE);
return 0;
}
ENV_CURVE = g_new(int32_t, 2 * EG_ENT + 1);
/* make total level table */
for (t = 0;t < EG_ENT-1 ;t++){
rate = ((1<<TL_BITS)-1)/pow(10,EG_STEP*t/20); /* dB -> voltage */
@ -694,6 +695,7 @@ static int OPLOpenTable( void )
static void OPLCloseTable( void )
{
g_free(ENV_CURVE);
free(TL_TABLE);
free(SIN_TABLE);
free(AMS_TABLE);
@ -1090,7 +1092,6 @@ FM_OPL *OPLCreate(int clock, int rate)
OPL->clock = clock;
OPL->rate = rate;
OPL->max_ch = max_ch;
ENV_CURVE = g_new(int32_t, 2 * EG_ENT + 1);
/* init grobal tables */
OPL_initialize(OPL);
/* reset chip */
@ -1128,7 +1129,6 @@ void OPLDestroy(FM_OPL *OPL)
#endif
OPL_UnLockTable();
free(OPL);
g_free(ENV_CURVE);
}
/* ---------- Option handlers ---------- */

29
ui/input-linux.c
View file

@ -334,13 +334,15 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
rc = ioctl(il->fd, EVIOCGBIT(0, sizeof(evtmap)), &evtmap);
if (rc < 0) {
error_setg(errp, "%s: failed to read event bits", il->evdev);
goto err_close;
goto err_read_event_bits;
}
if (evtmap & (1 << EV_REL)) {
relmap = 0;
rc = ioctl(il->fd, EVIOCGBIT(EV_REL, sizeof(relmap)), &relmap);
if (rc < 0) {
goto err_read_event_bits;
}
if (relmap & (1 << REL_X)) {
il->has_rel_x = true;
}
@ -349,12 +351,25 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
if (evtmap & (1 << EV_ABS)) {
absmap = 0;
rc = ioctl(il->fd, EVIOCGBIT(EV_ABS, sizeof(absmap)), &absmap);
if (rc < 0) {
goto err_read_event_bits;
}
if (absmap & (1 << ABS_X)) {
il->has_abs_x = true;
rc = ioctl(il->fd, EVIOCGABS(ABS_X), &absinfo);
if (rc < 0) {
error_setg(errp, "%s: failed to get get absolute X value",
il->evdev);
goto err_close;
}
il->abs_x_min = absinfo.minimum;
il->abs_x_max = absinfo.maximum;
rc = ioctl(il->fd, EVIOCGABS(ABS_Y), &absinfo);
if (rc < 0) {
error_setg(errp, "%s: failed to get get absolute Y value",
il->evdev);
goto err_close;
}
il->abs_y_min = absinfo.minimum;
il->abs_y_max = absinfo.maximum;
}
@ -363,7 +378,14 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
if (evtmap & (1 << EV_KEY)) {
memset(keymap, 0, sizeof(keymap));
rc = ioctl(il->fd, EVIOCGBIT(EV_KEY, sizeof(keymap)), keymap);
if (rc < 0) {
goto err_read_event_bits;
}
rc = ioctl(il->fd, EVIOCGKEY(sizeof(keystate)), keystate);
if (rc < 0) {
error_setg(errp, "%s: failed to get global key state", il->evdev);
goto err_close;
}
for (i = 0; i < KEY_CNT; i++) {
if (keymap[i / 8] & (1 << (i % 8))) {
if (linux_is_button(i)) {
@ -390,6 +412,9 @@ static void input_linux_complete(UserCreatable *uc, Error **errp)
il->initialized = true;
return;
err_read_event_bits:
error_setg(errp, "%s: failed to read event bits", il->evdev);
err_close:
close(il->fd);
return;