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| author | Michael Olbrich <m.olbrich@pengutronix.de> | 2018-12-17 14:58:54 +0100 |
|---|---|---|
| committer | Michael Olbrich <m.olbrich@pengutronix.de> | 2019-03-01 16:38:16 +0100 |
| commit | 3ea3e3078f7f8d3b2dcb2371e48aecc204d71491 (patch) | |
| tree | 8ae3ff67e21705874ba8b3b82d1139663142d499 | |
| parent | de6168e331435bc22a931fa82f82401e774f4e5d (diff) | |
| download | genimage-3ea3e3078f7f8d3b2dcb2371e48aecc204d71491.tar.gz genimage-3ea3e3078f7f8d3b2dcb2371e48aecc204d71491.tar.xz | |
image-ext2: avoid existing filesystem check on block devices
mke2fs checks if the target contains a filesystem. Make sure none is found
on block devices by overwriting the first 2048 bytes of the device.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
| -rw-r--r-- | image-ext2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/image-ext2.c b/image-ext2.c index 272198d..8ce76be 100644 --- a/image-ext2.c +++ b/image-ext2.c @@ -73,6 +73,9 @@ static int ext2_generate_mke2fs(struct image *image) if (label && label[0] == '\0') label = NULL; + if (is_block_device(imageoutfile(image))) + pad_file(image, NULL, 2048, 0x0, MODE_OVERWRITE); + return systemp(image, "%s%s -t %s%s -E 'root_owner=%s,%s'%s -d '%s' %s %s%s '%s' %lld", ext->conf_env, get_opt("mke2fs"), image->handler->type, ext->usage_type_args, root_owner, options, ext->size_features, |