From: Ruffalo Lavoisier Date: Fri, 6 Sep 2024 20:30:25 +0000 (+0900) Subject: comedi: ni_routing: tools: Check when the file could not be opened X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5baeb157b341b1d26a5815aeaa4d3bb9e0444fda;p=users%2Fjedix%2Flinux-maple.git comedi: ni_routing: tools: Check when the file could not be opened - After fopen check NULL before using the file pointer use Signed-off-by: Ruffalo Lavoisier Link: https://lore.kernel.org/r/20240906203025.89588-1-RuffaloLavoisier@gmail.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c b/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c index d55521b5bdcb2..892a66b2cea66 100644 --- a/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c +++ b/drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c @@ -140,6 +140,11 @@ int main(void) { FILE *fp = fopen("ni_values.py", "w"); + if (fp == NULL) { + fprintf(stderr, "Could not open file!"); + return -1; + } + /* write route register values */ fprintf(fp, "ni_route_values = {\n"); for (int i = 0; ni_all_route_values[i]; ++i)