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authorKacper <kacper@mail.openlinux.dev>2025-12-16 17:02:05 +0100
committerKacper <kacper@mail.openlinux.dev>2025-12-16 17:02:05 +0100
commit90dad97fc07f049383903a166631e2c257f9b8c1 (patch)
tree096cd247ecfda9e46598215a4f32aecedeedda90 /lib/libc/devctl/posix_devctl.c
parent0e832a9329cc4d4647e1ce529846073f21e66991 (diff)
Add support for TLS in the libc
Diffstat (limited to 'lib/libc/devctl/posix_devctl.c')
-rw-r--r--lib/libc/devctl/posix_devctl.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libc/devctl/posix_devctl.c b/lib/libc/devctl/posix_devctl.c
index 59497833..01af3111 100644
--- a/lib/libc/devctl/posix_devctl.c
+++ b/lib/libc/devctl/posix_devctl.c
@@ -1,13 +1,13 @@
#include <devctl.h>
+#include <errno.h>
#include <sys/cdefs.h>
#include <syscall.h>
int posix_devctl(int fildes, int dcmd, void *restrict dev_data_ptr, size_t __unused nbyte, int *restrict dev_info_ptr)
{
- int r;
+ int r = syscall(ioctl, fildes, dcmd, dev_data_ptr);
- r = syscall(ioctl, fildes, dcmd, dev_data_ptr);
- if (r < 0)
+ if (__predict_false(r < 0))
return errno;
*dev_info_ptr = r;