usb: gadget: f_fs: Add compat_ioctl to epfiles (6819e323) · Commits · 戴 / test

This allows 32 bit owners of ffs endpoints to make ioctls into a 64 bit kernel. All of the current epfile ioctls can be handled with the same struct definitions as regular ioctl. Acked-by:

Michał Nazarewicz <mina86@mina86.com> Signed-off-by:

Jerry Zhang <zhangjerry@google.com> Signed-off-by:

Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/gadget/function/f_fs.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -1266,6 +1266,14 @@ static long ffs_epfile_ioctl(struct file *file, unsigned code,
		return ret;
		}

		#ifdef CONFIG_COMPAT
		static long ffs_epfile_compat_ioctl(struct file *file, unsigned code,
		unsigned long value)
		{
		return ffs_epfile_ioctl(file, code, value);
		}
		#endif

		static const struct file_operations ffs_epfile_operations = {
		.llseek = no_llseek,

		@@ -1274,6 +1282,9 @@ static const struct file_operations ffs_epfile_operations = {
		.read_iter = ffs_epfile_read_iter,
		.release = ffs_epfile_release,
		.unlocked_ioctl = ffs_epfile_ioctl,
		#ifdef CONFIG_COMPAT
		.compat_ioctl = ffs_epfile_compat_ioctl,
		#endif
		};

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