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kmsdrm: free the connector when looking for available devices

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Fixes https://github.com/libsdl-org/SDL/issues/10499
This commit is contained in:
Sam Lantinga 2024-08-07 18:13:00 -07:00
parent 058781f514
commit 1a57ea7fba
1 changed files with 11 additions and 11 deletions
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22
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -96,7 +96,7 @@ static int get_driindex(void)
SDL_strlcpy(device + kmsdrm_dri_pathsize, kmsdrm_dri_devname,
sizeof(device) - kmsdrm_dri_devnamesize);
while((res = readdir(folder)) != NULL) {
while((res = readdir(folder)) != NULL && available < 0) {
if (SDL_memcmp(res->d_name, kmsdrm_dri_devname,
kmsdrm_dri_devnamesize) == 0) {
SDL_strlcpy(device + kmsdrm_dri_pathsize + kmsdrm_dri_devnamesize,
@ -122,7 +122,7 @@ static int get_driindex(void)
resources->count_encoders > 0 &&
resources->count_crtcs > 0) {
available = -ENOENT;
for (i = 0; i < resources->count_connectors; i++) {
for (i = 0; i < resources->count_connectors && available < 0; i++) {
drmModeConnector *conn =
KMSDRM_drmModeGetConnector(
drm_fd, resources->connectors[i]);
@ -133,20 +133,21 @@ static int get_driindex(void)
if (conn->connection == DRM_MODE_CONNECTED &&
conn->count_modes) {
SDL_bool access_denied = SDL_FALSE;
if (SDL_GetHintBoolean(
SDL_HINT_KMSDRM_REQUIRE_DRM_MASTER,
SDL_TRUE)) {
/* Skip this device if we can't obtain
* DRM master */
KMSDRM_drmSetMaster(drm_fd);
if (KMSDRM_drmAuthMagic(drm_fd, 0) ==
-EACCES) {
continue;
if (KMSDRM_drmAuthMagic(drm_fd, 0) == -EACCES) {
access_denied = SDL_TRUE;
}
}
available = devindex;
break;
if (!access_denied) {
available = devindex;
}
}
KMSDRM_drmModeFreeConnector(conn);
@ -157,11 +158,10 @@ static int get_driindex(void)
SDL_KMSDRM_UnloadSymbols();
}
close(drm_fd);
} else {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO,
"Failed to open KMSDRM device %s, errno: %d\n", device, errno);
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO,
"Failed to open KMSDRM device %s, errno: %d\n", device,
errno);
}
}