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Commit 9ca7f249 authored by Adam Borowski's avatar Adam Borowski Committed by Greg Kroah-Hartman
Browse files

vt: don't reinvent min() 



All the helper function saved us was a cast.

Signed-off-by: default avatarAdam Borowski <kilobyte@angband.pl>
Acked-by: default avatarNicolas Pitre <nico@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 36ecc148

drivers/tty/vt/selection.c

+4 −10
Original line number Diff line number Diff line
@@ -116,12 +116,6 @@ static inline int atedge(const int p, int size_row) 
	return (!(p % size_row)	|| !((p + 2) % size_row));

}



/* constrain v such that v <= u */

static inline unsigned short limit(const unsigned short v, const unsigned short u)

{

	return (v > u) ? u : v;

}



/* stores the char in UTF8 and returns the number of bytes used (1-3) */

static int store_utf8(u16 c, char *p)

{
@@ -167,10 +161,10 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t 
	if (copy_from_user(&v, sel, sizeof(*sel)))

		return -EFAULT;



	v.xs = limit(v.xs - 1, vc->vc_cols - 1);

	v.ys = limit(v.ys - 1, vc->vc_rows - 1);

	v.xe = limit(v.xe - 1, vc->vc_cols - 1);

	v.ye = limit(v.ye - 1, vc->vc_rows - 1);

	v.xs = min_t(u16, v.xs - 1, vc->vc_cols - 1);

	v.ys = min_t(u16, v.ys - 1, vc->vc_rows - 1);

	v.xe = min_t(u16, v.xe - 1, vc->vc_cols - 1);

	v.ye = min_t(u16, v.ye - 1, vc->vc_rows - 1);

	ps = v.ys * vc->vc_size_row + (v.xs << 1);

	pe = v.ye * vc->vc_size_row + (v.xe << 1);