hwclock: add missing OOM check
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@ -94,6 +94,11 @@ static int rtc_open(int flags) {
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continue;
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p = strappend("/dev/", de->d_name);
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if (!p) {
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closedir(d);
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return -ENOMEM;
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}
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fd = open(p, flags);
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free(p);
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