system/pipewire
system/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire synced 2024-10-01 13:44:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

v4l2: cleanup and simplify

Browse source 
Co-authored-by: Barnabás Pőcze <pobrn@protonmail.com>
This commit is contained in:
Dmitry Sharshakov 2023-01-03 15:31:51 +03:00 committed by Wim Taymans
parent 996f8a5832
commit 395749fea9
1 changed files with 13 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
pipewire-v4l2/src/pipewire-v4l2.c
View file

@ -787,24 +787,28 @@ static int v4l2_dup(int oldfd)
return do_dup(oldfd, FD_MAP_DUP);
}
static int v4l2_openat(int dirfd, const char *requested_path, int oflag, mode_t mode)
static int v4l2_openat(int dirfd, const char *path, int oflag, mode_t mode)
{
int res, flags;
struct file *file;
bool passthrough = true;
uint32_t dev_id = SPA_ID_INVALID;
char *path;
char *real_path;
path = realpath(requested_path, NULL);
if (path == NULL)
path = (char *)requested_path;
real_path = realpath(path, NULL);
if (!real_path)
real_path = (char *)path;
if (spa_strstartswith(path, "/dev/video")) {
if (spa_atou32(path+10, &dev_id, 10) && dev_id < MAX_DEV)
if (spa_strstartswith(real_path, "/dev/video")) {
if (spa_atou32(real_path+10, &dev_id, 10) && dev_id < MAX_DEV)
passthrough = false;
}
if (real_path && real_path != path)
free(real_path);
if (passthrough)
return globals.old_fops.openat(dirfd, requested_path, oflag, mode);
return globals.old_fops.openat(dirfd, path, oflag, mode);
pw_log_info("path:%s oflag:%d mode:%d", path, oflag, mode);
@ -882,9 +886,6 @@ static int v4l2_openat(int dirfd, const char *requested_path, int oflag, mode_t
add_dev_for_serial(file->dev_id, file->serial);
unref_file(file);
if (path != NULL && path != requested_path)
free(path);
return res;
error_unlock:
@ -897,10 +898,8 @@ error:
pw_log_info("path:%s oflag:%d mode:%d -> %d (%s)", path, oflag, mode,
-1, spa_strerror(res));
if (path != NULL && path != requested_path)
free(path);
errno = -res;
return -1;
}