[PATCH 2/8] Documentation/spi/spidev_test.c: clean up input_tx

[Joshua Clayton]

Put input from string into its own function.

Signed-off-by: Joshua Clayton <stillcompil...@gmail.com>
---
 Documentation/spi/spidev_test.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c
index dfe8f47..1ed9110 100644
--- a/Documentation/spi/spidev_test.c
+++ b/Documentation/spi/spidev_test.c
@@ -249,12 +249,20 @@ static void parse_opts(int argc, char *argv[])
        }
 }
 
+static void transfer_escaped_string(int fd, char *str)
+{
+       size_t size = strlen(str + 1);
+       uint8_t *tx = malloc(size);
+
+       size = unescape((char *)tx, str, size);
+       transfer(fd, tx, size);
+       free(tx);
+}
+
 int main(int argc, char *argv[])
 {
        int ret = 0;
        int fd;
-       uint8_t *tx;
-       int size;
 
        parse_opts(argc, argv);
 
@@ -299,15 +307,10 @@ int main(int argc, char *argv[])
        printf("bits per word: %d\n", bits);
        printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000);
 
-       if (input_tx) {
-               size = strlen(input_tx+1);
-               tx = malloc(size);
-               size = unescape((char *)tx, input_tx, size);
-               transfer(fd, tx, size);
-               free(tx);
-       } else {
+       if (input_tx)
+               transfer_escaped_string(fd, input_tx);
+       else
                transfer(fd, default_tx, sizeof(default_tx));
-       }
 
        close(fd);
 
-- 
2.5.0

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