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| author | Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-02-13 12:16:06 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-13 13:17:19 +0000 |
| commit | 1f3c36328a487059beebd1f7be042e3b7abf7d34 (patch) | |
| tree | 94b011ebb65df1f943c35382482f8980784b162b /tools/spi | |
| parent | 020bd6c48ebd864d42b5b551a87a323e443918a6 (diff) | |
| download | lwn-1f3c36328a487059beebd1f7be042e3b7abf7d34.tar.gz lwn-1f3c36328a487059beebd1f7be042e3b7abf7d34.zip | |
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>
Diffstat (limited to 'tools/spi')
| -rw-r--r-- | tools/spi/spidev_test.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c index 113b1e1d62ca..5866178cdcc9 100644 --- a/tools/spi/spidev_test.c +++ b/tools/spi/spidev_test.c @@ -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) |