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devmapper: Fix loopback mount code
Typo in the loop-control code made it always fall back to the old method of opening loopback devices.
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@ -27,7 +27,7 @@ attach_loop_device(const char *filename, int *loop_fd_out)
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start_index = 0;
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start_index = 0;
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fd = open("/dev/loop-control", O_RDONLY);
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fd = open("/dev/loop-control", O_RDONLY);
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if (fd == 0) {
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if (fd >= 0) {
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start_index = ioctl(fd, LOOP_CTL_GET_FREE);
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start_index = ioctl(fd, LOOP_CTL_GET_FREE);
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close(fd);
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close(fd);
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