spi: spidev: Remove redundant initialization of variable status

In spidev_read() and spidev_write(), the variable status is being
initialized with a value that is never read and it is being updated
later with a new value. The initialization is redundant and can be
removed.
Signed-off-by: Jay Fang <f.fangjian@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1599631704-53232-1-git-send-email-f.fangjian@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spidev.c

@@ -146,7 +146,7 @@ static ssize_t
 spidev_read(struct file *filp, char __user *buf, size_t count, loff_t *f_pos)
 {
 	struct spidev_data	*spidev;
-	ssize_t			status = 0;
+	ssize_t			status;
 
 	/* chipselect only toggles at start or end of operation */
 	if (count > bufsiz)
@@ -176,7 +176,7 @@ spidev_write(struct file *filp, const char __user *buf,
 		size_t count, loff_t *f_pos)
 {
 	struct spidev_data	*spidev;
-	ssize_t			status = 0;
+	ssize_t			status;
 	unsigned long		missing;
 
 	/* chipselect only toggles at start or end of operation */