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Diffstat (limited to 'flash_lock.c')
-rw-r--r--flash_lock.c112
1 files changed, 56 insertions, 56 deletions
diff --git a/flash_lock.c b/flash_lock.c
index 1238a3d..dca6794 100644
--- a/flash_lock.c
+++ b/flash_lock.c
@@ -18,67 +18,67 @@
int main(int argc, char *argv[])
{
- int fd;
- struct mtd_info_user mtdInfo;
- struct erase_info_user mtdLockInfo;
- int num_sectors;
- int ofs;
+ int fd;
+ struct mtd_info_user mtdInfo;
+ struct erase_info_user mtdLockInfo;
+ int num_sectors;
+ int ofs;
- /*
- * Parse command line options
- */
- if(argc != 4)
- {
- fprintf(stderr, "USAGE: %s <mtd device> <ofs in hex> <num of sectors in decimal or -1 for all sectors>\n", argv[0]);
- exit(1);
- }
- else if(strncmp(argv[1], "/dev/mtd", 8) != 0)
- {
- fprintf(stderr, "'%s' is not a MTD device. Must specify mtd device: /dev/mtd?\n", argv[1]);
- exit(1);
- }
+ /*
+ * Parse command line options
+ */
+ if(argc != 4)
+ {
+ fprintf(stderr, "USAGE: %s <mtd device> <ofs in hex> <num of sectors in decimal or -1 for all sectors>\n", argv[0]);
+ exit(1);
+ }
+ else if(strncmp(argv[1], "/dev/mtd", 8) != 0)
+ {
+ fprintf(stderr, "'%s' is not a MTD device. Must specify mtd device: /dev/mtd?\n", argv[1]);
+ exit(1);
+ }
- fd = open(argv[1], O_RDWR);
- if(fd < 0)
- {
- fprintf(stderr, "Could not open mtd device: %s\n", argv[1]);
- exit(1);
- }
+ fd = open(argv[1], O_RDWR);
+ if(fd < 0)
+ {
+ fprintf(stderr, "Could not open mtd device: %s\n", argv[1]);
+ exit(1);
+ }
- if(ioctl(fd, MEMGETINFO, &mtdInfo))
- {
- fprintf(stderr, "Could not get MTD device info from %s\n", argv[1]);
- close(fd);
- exit(1);
- }
- sscanf(argv[2], "%x",&ofs);
- sscanf(argv[3], "%d",&num_sectors);
- if(ofs > mtdInfo.size - mtdInfo.erasesize)
- {
- fprintf(stderr, "%x is beyond device size %x\n",ofs,(unsigned int)(mtdInfo.size - mtdInfo.erasesize));
- exit(1);
- }
+ if(ioctl(fd, MEMGETINFO, &mtdInfo))
+ {
+ fprintf(stderr, "Could not get MTD device info from %s\n", argv[1]);
+ close(fd);
+ exit(1);
+ }
+ sscanf(argv[2], "%x",&ofs);
+ sscanf(argv[3], "%d",&num_sectors);
+ if(ofs > mtdInfo.size - mtdInfo.erasesize)
+ {
+ fprintf(stderr, "%x is beyond device size %x\n",ofs,(unsigned int)(mtdInfo.size - mtdInfo.erasesize));
+ exit(1);
+ }
- if (num_sectors == -1) {
- num_sectors = mtdInfo.size/mtdInfo.erasesize;
- }
- else {
- if(num_sectors > mtdInfo.size/mtdInfo.erasesize)
- {
- fprintf(stderr, "%d are too many sectors, device only has %d\n",num_sectors,(int)(mtdInfo.size/mtdInfo.erasesize));
- exit(1);
- }
- }
+ if (num_sectors == -1) {
+ num_sectors = mtdInfo.size/mtdInfo.erasesize;
+ }
+ else {
+ if(num_sectors > mtdInfo.size/mtdInfo.erasesize)
+ {
+ fprintf(stderr, "%d are too many sectors, device only has %d\n",num_sectors,(int)(mtdInfo.size/mtdInfo.erasesize));
+ exit(1);
+ }
+ }
- mtdLockInfo.start = ofs;
- mtdLockInfo.length = num_sectors * mtdInfo.erasesize;
- if(ioctl(fd, MEMLOCK, &mtdLockInfo))
- {
- fprintf(stderr, "Could not lock MTD device: %s\n", argv[1]);
- close(fd);
- exit(1);
- }
+ mtdLockInfo.start = ofs;
+ mtdLockInfo.length = num_sectors * mtdInfo.erasesize;
+ if(ioctl(fd, MEMLOCK, &mtdLockInfo))
+ {
+ fprintf(stderr, "Could not lock MTD device: %s\n", argv[1]);
+ close(fd);
+ exit(1);
+ }
- return 0;
+ return 0;
}