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

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[ Upstream commit 5baeb157b341b1d26a5815aeaa4d3bb9e0444fda ]

- 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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ruffalo Lavoisier
2024-09-07 05:30:25 +09:00
committed by Greg Kroah-Hartman
parent 4d49102c24
commit c66562408c
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");
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)