mirror of
https://github.com/Telecominfraproject/wlan-ap.git
synced 2025-10-29 09:32:34 +00:00
46 lines
814 B
C
46 lines
814 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <linux/fitblk.h>
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static int fitblk_release(char *device)
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{
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int fd, ret;
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fd = open(device, O_RDONLY);
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if (fd == -1)
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return errno;
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ret = ioctl(fd, FITBLK_RELEASE, NULL);
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close(fd);
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if (ret == -1)
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return errno;
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return 0;
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}
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int main(int argc, char *argp[])
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{
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int ret;
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if (argc != 2) {
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fprintf(stderr, "Release uImage.FIT sub-image block device\n");
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fprintf(stderr, "Syntax: %s /dev/fitXXX\n", argp[0]);
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return -EINVAL;
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}
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ret = fitblk_release(argp[1]);
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if (ret)
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fprintf(stderr, "fitblk: error releasing %s: %s\n", argp[1],
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strerror(ret));
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else
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fprintf(stderr, "fitblk: %s released\n", argp[1]);
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return ret;
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}
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