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xfree86: utils: gracefully handle allocation failure. 

Better failing gracefully instead of hard crash via segfault.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-05-07 15:08:03 +02:00
parent 6c9f2ecc32
commit 111ca8af21
1 changed files with 5 additions and 1 deletions
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6
hw/xfree86/utils/gtf/gtf.c
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@ -294,7 +294,9 @@ vert_refresh(int h_pixels, int v_lines, float freq, int interlaced, int margins)
float h_front_porch; float h_front_porch;
float v_odd_front_porch_lines; float v_odd_front_porch_lines;
mode *m = (mode *) malloc(sizeof(mode)); mode *m = (mode *) calloc(1, sizeof(mode));
if (!m)
return NULL;
/* 1. In order to give correct results, the number of horizontal /* 1. In order to give correct results, the number of horizontal
* pixels requested is first processed to ensure that it is divisible * pixels requested is first processed to ensure that it is divisible
@ -604,6 +606,8 @@ parse_command_line(int argc, char *argv[])
int n; int n;
options *o = (options *) calloc(1, sizeof(options)); options *o = (options *) calloc(1, sizeof(options));
if (!o)
goto bad_option;
if (argc < 4) if (argc < 4)
goto bad_option; goto bad_option;