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authorChris Wilson <chris@chris-wilson.co.uk>2009-07-07 18:05:01 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2009-07-07 18:17:57 +0100
commitc889b34e432198d5410a068eff3089ff5314ac27 (patch)
tree10a1ae9477ce7bb55d1f6f7a81e032d27c7ba338 /src/i830_driver.c
parent705042f497b7b3843c2dcc5c160fb8dfeac1472a (diff)
Check for a valid I830Ptr before closing master.
After failing to become DRM master, the X server dies attempting to close the master fd during free: (EE) intel(0): [drm] failed to set drm interface version. (EE) intel(0): Failed to become DRM master. (EE) intel(0): failed to get resources: Bad file descriptor (EE) intel(0): Kernel modesetting setup failed Backtrace: 0: X(xorg_backtrace+0x3b) [0x8133a3b] 1: X(xf86SigHandler+0x55) [0x80c7945] 2: [0xb805d400] 3: /usr/lib/xorg/modules/drivers//intel_drv.so [0xb7b4bfcc] 4: X(xf86DeleteScreen+0x6b) [0x80d465b] 5: X(InitOutput+0x548) [0x80b0158] 6: X(main+0x1cb) [0x807220b] 7: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe5) [0xb7d107a5] 8: X [0x8071881] Saw signal 11. Server aborting. ddxSigGiveUp: Closing log ddxSigGiveUp: re-raising 11 Segmentation fault Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/i830_driver.c')
-rw-r--r--src/i830_driver.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/i830_driver.c b/src/i830_driver.c
index c125a73e..d1acaa56 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -1482,7 +1482,7 @@ static void
i830_close_drm_master(ScrnInfoPtr scrn)
{
I830Ptr i830 = I830PTR(scrn);
- if (i830->drmSubFD > 0) {
+ if (i830 && i830->drmSubFD > 0) {
drmClose(i830->drmSubFD);
i830->drmSubFD = -1;
}