char/adi: Remove redundant less-than-zero check in adi_write()

The function parameter 'size_t count' is unsigned and cannot be less
than zero. Remove the redundant condition.

Signed-off-by: Thorsten Blum <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/char/adi.c

···
 	ssize_t ret;
 	int i;
 
-	if (count <= 0)
+	if (count == 0)
 		return -EINVAL;
 
 	ver_buf_sz = min_t(size_t, count, MAX_BUF_SZ);