static int find_vdso_map(void **start, void **end) { FILE *maps; char line[128]; int found = 0; maps = fopen("/proc/self/maps", "r"); if (!maps) { fprintf(stderr, "vdso: cannot open maps\n"); return -1; } while (!found && fgets(line, sizeof(line), maps)) { int m = -1; /* We care only about private r-x mappings. */ if (2 != sscanf(line, "%p-%p r-xp %*x %*x:%*x %*u %n", start, end, &m)) continue; if (m < 0) continue; if (!strncmp(&line[m], VDSO__MAP_NAME, sizeof(VDSO__MAP_NAME) - 1)) found = 1; } fclose(maps); return !found; } itory'/>

path: root/sound/soc/soc-generic-dmaengine-pcm.c

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