From: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
Don't the duplicate (nearly) identical code across the two call sites.
It improves legibility and the diff stat seems nice.
Signed-off-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
---
xf86drm.c | 159 ++++++++++++++++++------------------------------------
1 file changed, 51 insertions(+), 108 deletions(-)
diff --git a/xf86drm.c b/xf86drm.c
index cbc0a408..114cf855 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -3676,6 +3676,52 @@ free_device:
return ret;
}
+static int
+process_device(drmDevicePtr *device, const char *d_name,
+ int req_subsystem_type,
+ bool fetch_deviceinfo, uint32_t flags)
+{
+ struct stat sbuf;
+ char node[PATH_MAX + 1];
+ int node_type, subsystem_type;
+ unsigned int maj, min;
+
+ node_type = drmGetNodeType(d_name);
+ if (node_type < 0)
+ return -1;
+
+ snprintf(node, PATH_MAX, "%s/%s", DRM_DIR_NAME, d_name);
+ if (stat(node, &sbuf))
+ return -1;
+
+ maj = major(sbuf.st_rdev);
+ min = minor(sbuf.st_rdev);
+
+ if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
+ return -1;
+
+ subsystem_type = drmParseSubsystemType(maj, min);
+ if (req_subsystem_type != -1 && req_subsystem_type != subsystem_type)
+ return -1;
+
+ switch (subsystem_type) {
+ case DRM_BUS_PCI:
+ return drmProcessPciDevice(device, node, node_type, maj, min,
+ fetch_deviceinfo, flags);
+ case DRM_BUS_USB:
+ return drmProcessUsbDevice(device, node, node_type, maj, min,
+ fetch_deviceinfo, flags);
+ case DRM_BUS_PLATFORM:
+ return drmProcessPlatformDevice(device, node, node_type, maj, min,
+ fetch_deviceinfo, flags);
+ case DRM_BUS_HOST1X:
+ return drmProcessHost1xDevice(device, node, node_type, maj, min,
+ fetch_deviceinfo, flags);
+ default:
+ return -1;
+ }
+}
+
/* Consider devices located on the same bus as duplicate and fold the respective
* entries into a single one.
*
@@ -3805,8 +3851,7 @@ int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
DIR *sysdir;
struct dirent *dent;
struct stat sbuf;
- char node[PATH_MAX + 1];
- int node_type, subsystem_type;
+ int subsystem_type;
int maj, min;
int ret, i, node_count;
int max_count = 16;
@@ -3844,55 +3889,9 @@ int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
i = 0;
while ((dent = readdir(sysdir))) {
- node_type = drmGetNodeType(dent->d_name);
- if (node_type < 0)
- continue;
-
- snprintf(node, PATH_MAX, "%s/%s", DRM_DIR_NAME, dent->d_name);
- if (stat(node, &sbuf))
- continue;
-
- maj = major(sbuf.st_rdev);
- min = minor(sbuf.st_rdev);
-
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
- continue;
-
- if (drmParseSubsystemType(maj, min) != subsystem_type)
- continue;
-
- switch (subsystem_type) {
- case DRM_BUS_PCI:
- ret = drmProcessPciDevice(&d, node, node_type, maj, min, true, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_USB:
- ret = drmProcessUsbDevice(&d, node, node_type, maj, min, true, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_PLATFORM:
- ret = drmProcessPlatformDevice(&d, node, node_type, maj, min, true, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_HOST1X:
- ret = drmProcessHost1xDevice(&d, node, node_type, maj, min, true, flags);
- if (ret)
- continue;
-
- break;
-
- default:
+ ret = process_device(&d, dent->d_name, subsystem_type, true, flags);
+ if (ret)
continue;
- }
if (i >= max_count) {
drmDevicePtr *temp;
@@ -3973,10 +3972,6 @@ int drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices)
drmDevicePtr device;
DIR *sysdir;
struct dirent *dent;
- struct stat sbuf;
- char node[PATH_MAX + 1];
- int node_type, subsystem_type;
- int maj, min;
int ret, i, node_count, device_count;
int max_count = 16;
@@ -3995,61 +3990,9 @@ int drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices)
i = 0;
while ((dent = readdir(sysdir))) {
- node_type = drmGetNodeType(dent->d_name);
- if (node_type < 0)
- continue;
-
- snprintf(node, PATH_MAX, "%s/%s", DRM_DIR_NAME, dent->d_name);
- if (stat(node, &sbuf))
- continue;
-
- maj = major(sbuf.st_rdev);
- min = minor(sbuf.st_rdev);
-
- if (maj != DRM_MAJOR || !S_ISCHR(sbuf.st_mode))
- continue;
-
- subsystem_type = drmParseSubsystemType(maj, min);
-
- if (subsystem_type < 0)
- continue;
-
- switch (subsystem_type) {
- case DRM_BUS_PCI:
- ret = drmProcessPciDevice(&device, node, node_type,
- maj, min, devices != NULL, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_USB:
- ret = drmProcessUsbDevice(&device, node, node_type, maj, min,
- devices != NULL, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_PLATFORM:
- ret = drmProcessPlatformDevice(&device, node, node_type, maj, min,
- devices != NULL, flags);
- if (ret)
- continue;
-
- break;
-
- case DRM_BUS_HOST1X:
- ret = drmProcessHost1xDevice(&device, node, node_type, maj, min,
- devices != NULL, flags);
- if (ret)
- continue;
-
- break;
-
- default:
+ ret = process_device(&device, dent->d_name, -1, devices != NULL, flags);
+ if (ret)
continue;
- }
if (i >= max_count) {
drmDevicePtr *temp;
