From 98af2003d48530b2e102cf667a9d40dcb94cb0fe Mon Sep 17 00:00:00 2001 From: Peter Hutterer Date: Wed, 4 Jul 2012 09:14:41 +1000 Subject: Don't re-open mtdev after PreInit ==16557== 388,240 (3,520 direct, 384,720 indirect) bytes in 10 blocks are definitely lost in loss record 1,669 of 1,671 ==16557== at 0x4A06F18: calloc (vg_replace_malloc.c:566) ==16557== by 0xC3EAD4D: mtdev_new (core.c:345) ==16557== by 0xC3EAE6B: mtdev_new_open (core.c:383) ==16557== by 0xC1E0452: EvdevOpenDevice (evdev.c:2365) ==16557== by 0xC1E068C: EvdevPreInit (evdev.c:2431) ==16557== by 0x4B8304: xf86NewInputDevice (xf86Xinput.c:846) ==16557== by 0x4B8857: NewInputDeviceRequest (xf86Xinput.c:989) ==16557== by 0x4CCB4C: device_added (udev.c:211) ==16557== by 0x4CCFA6: config_udev_init (udev.c:342) ==16557== by 0x4CBE81: config_init (config.c:48) ==16557== by 0x4A8A9A: InitInput (xf86Init.c:918) ==16557== by 0x4921EE: main (main.c:258) After PreInit, the fd and mtdev pointer are still valid. We check for the fd, but unconditionally allocated another mtdev struct for each device. Signed-off-by: Peter Hutterer Reviewed-by: Chase Douglas --- src/evdev.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/src/evdev.c b/src/evdev.c index 232e406..f33b201 100644 --- a/src/evdev.c +++ b/src/evdev.c @@ -2366,14 +2366,16 @@ EvdevOpenDevice(InputInfoPtr pInfo) } #ifdef MULTITOUCH - pEvdev->mtdev = mtdev_new_open(pInfo->fd); + if (!pEvdev->mtdev) { /* after PreInit mtdev is still valid */ + pEvdev->mtdev = mtdev_new_open(pInfo->fd); + if (!pEvdev->mtdev) { + xf86Msg(X_ERROR, "%s: Couldn't open mtdev device\n", pInfo->name); + EvdevCloseDevice(pInfo); + return FALSE; + } + } if (pEvdev->mtdev) pEvdev->cur_slot = pEvdev->mtdev->caps.slot.value; - else { - xf86Msg(X_ERROR, "%s: Couldn't open mtdev device\n", pInfo->name); - EvdevCloseDevice(pInfo); - return FALSE; - } #endif return Success; -- cgit v1.2.3