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comedi: ni_routing: tools: Check when the file could not be opened

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- After fopen check NULL before using the file pointer use

Signed-off-by: Ruffalo Lavoisier <RuffaloLavoisier@gmail.com>
Link: https://lore.kernel.org/r/20240906203025.89588-1-RuffaloLavoisier@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ruffalo Lavoisier 2024-09-07 05:30:25 +09:00 committed by Greg Kroah-Hartman
parent 0bad57708d
commit 5baeb157b3
1 changed files with 5 additions and 0 deletions
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5
drivers/comedi/drivers/ni_routing/tools/convert_c_to_py.c
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@ -140,6 +140,11 @@ int main(void)
{ {
FILE *fp = fopen("ni_values.py", "w"); FILE *fp = fopen("ni_values.py", "w");
if (fp == NULL) {
fprintf(stderr, "Could not open file!");
return -1;
}
/* write route register values */ /* write route register values */
fprintf(fp, "ni_route_values = {\n"); fprintf(fp, "ni_route_values = {\n");
for (int i = 0; ni_all_route_values[i]; ++i) for (int i = 0; ni_all_route_values[i]; ++i)