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Message-ID: <20240906123222.32006-1-RuffaloLavoisier@gmail.com>
Date: Fri, 6 Sep 2024 21:32:21 +0900
From: Ruffalo Lavoisier <ruffalolavoisier@...il.com>
To: Ian Abbott <abbotti@....co.uk>,
H Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ruffalo Lavoisier <RuffaloLavoisier@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] ni_routing: Check when the file could not be opened
Signed-off-by: Ruffalo Lavoisier <RuffaloLavoisier@...il.com>
---
I'm sorry. I think it's dirty because I'm not used to the patch. I'm going to write it all over again and send it to you.
This is just a defense code just in case.
drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c | 5 +++++
1 file changed, 5 insertions(+)
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 d55521b5bdcb..892a66b2cea6 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)
--
2.43.0
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