Message ID | 20221206092438.12290-1-chenzhipeng@eswincomputing.com |
---|---|
State | Accepted |
Commit | c40e021b83d9db9aec736a0cb992fd84d2e63c02 |
Delegated to: | Tom Rini |
Headers | show |
Series | cmd: spi: Judge the number of added parameters | expand |
On Wed, 7 Dec 2022 at 03:50, chenzhipeng <chenzhipeng@eswincomputing.com> wrote: > > When only sspi is entered, help information can be printed. > > Signed-off-by: chenzhipeng <chenzhipeng@eswincomputing.com> > --- > cmd/spi.c | 3 +++ > 1 file changed, 3 insertions(+) > Reviewed-by: Simon Glass <sjg@chromium.org> > diff --git a/cmd/spi.c b/cmd/spi.c > index 454ebe37d7..f30018f33b 100644 > --- a/cmd/spi.c > +++ b/cmd/spi.c > @@ -112,6 +112,9 @@ int do_spi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) > > if ((flag & CMD_FLAG_REPEAT) == 0) > { > + if (argc < 2) > + return CMD_RET_USAGE; > + > if (argc >= 2) { > mode = CONFIG_DEFAULT_SPI_MODE; > bus = dectoul(argv[1], &cp); > -- > 2.25.1 >
On Tue, Dec 06, 2022 at 05:24:38PM +0800, chenzhipeng wrote: > When only sspi is entered, help information can be printed. > > Signed-off-by: chenzhipeng <chenzhipeng@eswincomputing.com> > Reviewed-by: Simon Glass <sjg@chromium.org> Applied to u-boot/master, thanks!
diff --git a/cmd/spi.c b/cmd/spi.c index 454ebe37d7..f30018f33b 100644 --- a/cmd/spi.c +++ b/cmd/spi.c @@ -112,6 +112,9 @@ int do_spi(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) if ((flag & CMD_FLAG_REPEAT) == 0) { + if (argc < 2) + return CMD_RET_USAGE; + if (argc >= 2) { mode = CONFIG_DEFAULT_SPI_MODE; bus = dectoul(argv[1], &cp);
When only sspi is entered, help information can be printed. Signed-off-by: chenzhipeng <chenzhipeng@eswincomputing.com> --- cmd/spi.c | 3 +++ 1 file changed, 3 insertions(+)