From: Michael Hennerich <[email protected]> In case optarg n is not given return/exit
Signed-off-by: Michael Hennerich <[email protected]> Acked-by: Jonathan Cameron <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/staging/iio/Documentation/generic_buffer.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c index 771b236..3cc18ab 100644 --- a/drivers/staging/iio/Documentation/generic_buffer.c +++ b/drivers/staging/iio/Documentation/generic_buffer.c @@ -168,6 +168,9 @@ int main(int argc, char **argv) } } + if (device_name == NULL) + return -1; + /* Find the device requested */ dev_num = find_type_by_name(device_name, "device"); if (dev_num < 0) { -- 1.7.4.1 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
