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[leds] Check return value of fscanf
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@ -217,6 +217,7 @@ draw_temperature_node(struct session *ses, int xpos, int ypos, unsigned int node
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struct terminal *term = ses->tab->term;
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struct terminal *term = ses->tab->term;
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FILE *f;
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FILE *f;
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int temp = 0;
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int temp = 0;
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int ret;
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struct string text;
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struct string text;
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int i;
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int i;
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int length;
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int length;
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@ -224,9 +225,16 @@ draw_temperature_node(struct session *ses, int xpos, int ypos, unsigned int node
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f = fopen(get_leds_temperature_filename(), "r");
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f = fopen(get_leds_temperature_filename(), "r");
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if (!f) return 0;
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if (!f) {
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fscanf(f, "%d", &temp);
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return 0;
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}
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ret = fscanf(f, "%d", &temp);
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fclose(f);
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fclose(f);
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if (ret < 1) {
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return 0;
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}
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if (!init_string(&text)) {
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if (!init_string(&text)) {
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return 0;
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return 0;
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}
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}
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