61     int rc = 0;  in Check()  local
71         rc = ForkExecvp(cmd, nullptr, sFsckUntrustedContext);  in Check()
73         if (rc < 0) {  in Check()
79         switch (rc) {  in Check()
104                 LOG(ERROR) << "Filesystem check failed (unknown exit code " << rc << ")";  in Check()
115     int rc;  in Mount()  local
131     rc = mount(c_source, c_target, "vfat", flags, mountData.c_str());  in Mount()
133     if (rc && errno == EROFS) {  in Mount()
136         rc = mount(c_source, c_target, "vfat", flags, mountData.c_str());  in Mount()
139     if (rc == 0 && createLost) {  in Mount()
152     return rc;  in Mount()
169     int rc = ForkExecvp(cmd);  in Format()  local
170     if (rc < 0) {  in Format()
176     if (rc == 0) {  in Format()
180         LOG(ERROR) << "Format failed (unknown exit code " << rc << ")";  in Format()