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spi: spidev_test: Check input_tx and input_file first after parse options 

It is better to check input_tx and input_file first after parse options.
Otherwise, it will do some useless operations when both -p and --input
are selected.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/1581567368-8055-2-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tiezhu Yang 2020-02-13 12:16:06 +08:00 committed by Mark Brown
parent 020bd6c48e
commit 1f3c36328a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 3 deletions
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6
tools/spi/spidev_test.c
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@ -404,6 +404,9 @@ int main(int argc, char *argv[])
parse_opts(argc, argv);
if (input_tx && input_file)
pabort("only one of -p and --input may be selected");
fd = open(device, O_RDWR);
if (fd < 0)
pabort("can't open device");
@ -445,9 +448,6 @@ 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 && input_file)
pabort("only one of -p and --input may be selected");
if (input_tx)
transfer_escaped_string(fd, input_tx);
else if (input_file)