diff options
| author | Zhigang Gong <zhigang.gong@intel.com> | 2015-04-14 09:51:46 +0800 |
|---|---|---|
| committer | Zhigang Gong <zhigang.gong@intel.com> | 2015-04-14 12:41:33 +0800 |
| commit | 368ebd9a2fffadd4927e9c9309773d1afd22543f (patch) | |
| tree | 3b06d3350ec0c6d956901e279c2079ccbcba55d1 | |
| parent | 7ab4492706a0f8d66f50144a783e60fda869ebba (diff) | |
runtime: don't try to open nonexistent render nodes or device files.
Signed-off-by: Zhigang Gong <zhigang.gong@intel.com>
Reviewed-by: "Yang, Rong R" <rong.r.yang@intel.com>
| -rw-r--r-- | src/intel/intel_driver.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/intel/intel_driver.c b/src/intel/intel_driver.c index a6b8a583..5adf09bc 100644 --- a/src/intel/intel_driver.c +++ b/src/intel/intel_driver.c @@ -223,6 +223,8 @@ intel_driver_open(intel_driver_t *intel, cl_context_prop props) char card_name[20]; for(cardi = 0; cardi < 16; cardi++) { sprintf(card_name, "/dev/dri/renderD%d", 128+cardi); + if (access(card_name, R_OK) != 0) + continue; if(intel_driver_init_render(intel, card_name)) break; } @@ -232,6 +234,8 @@ intel_driver_open(intel_driver_t *intel, cl_context_prop props) char card_name[20]; for(cardi = 0; cardi < 16; cardi++) { sprintf(card_name, "/dev/dri/card%d", cardi); + if (access(card_name, R_OK) != 0) + continue; if(intel_driver_init_master(intel, card_name)) break; } @@ -325,7 +329,6 @@ intel_driver_init_render(intel_driver_t *driver, const char* dev_name) { int dev_fd, ret; - // usually dev_name = "/dev/dri/renderD%d" dev_fd = open(dev_name, O_RDWR); if (dev_fd == -1) return 0; |