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vt: don't reinvent min() 

All the helper function saved us was a cast.

Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Adam Borowski 2018-07-18 04:10:42 +02:00 committed by Greg Kroah-Hartman
parent 36ecc1481d
commit 9ca7f24998
1 changed files with 4 additions and 10 deletions
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14
drivers/tty/vt/selection.c
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@ -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);