diff --git a/Makefile b/Makefile
index 470bd4d9513a..fb689286d83a 100644
--- a/Makefile
+++ b/Makefile
@@ -401,6 +401,7 @@ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common \
-Werror-implicit-function-declaration \
-Wno-format-security \
+ -Wno-error=int-in-bool-context \
-std=gnu89 $(call cc-option,-fno-PIE)
This slipped in by accident I assume? It seems completely unrelated.
Yeah, I re-sent v4 with this removed immediately afterwards.
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 65799575c666..2a6bd9ae3f8b 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -481,6 +481,16 @@ static int pty_bsd_ioctl(struct tty_struct *tty,
return -ENOIOCTLCMD;
}
+static long pty_bsd_compat_ioctl(struct tty_struct *tty,
+ unsigned int cmd, unsigned long arg)
+{
+ /*
+ * PTY ioctls don't require any special translation between 32-bit and
+ * 64-bit userspace, they are already compatible.
+ */
+ return pty_bsd_ioctl(tty, cmd, arg);
+}
+
This looks correct but unnecessary, you can simply point both
function pointers to the same function:
They have different types, since they have different return types:
int (*ioctl)(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
long (*compat_ioctl)(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
If you like, I can change (*ioctl) to return longs as well, and then
change all of the call-sites (since unlocked_ioctl also returns long).
--
Aleksa Sarai
Software Engineer (Containers)
SUSE Linux GmbH
https://www.cyphar.com/
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