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Wipe the first label if writing the second one failed.

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This commit is contained in:
Patrick Caulfield 2001-12-18 14:39:32 +00:00
parent e8bacbc465
commit 8cdf0a831c
1 changed files with 8 additions and 0 deletions
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8
lib/label/label.c
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@ -267,8 +267,16 @@ int label_write(struct device *dev, struct label *label)
/* Write another at the end of the device */ /* Write another at the end of the device */
status2 = dev_write(dev, offset[1], sizeof(struct label_ondisk) + label->datalen, block); status2 = dev_write(dev, offset[1], sizeof(struct label_ondisk) + label->datalen, block);
if (!status2) if (!status2)
{
char zerobuf[sizeof(struct label_ondisk)];
log_error("Error writing label 2\n"); log_error("Error writing label 2\n");
/* Wipe the first label so it doesn't get confusing */
memset(zerobuf, 0, sizeof(struct label_ondisk));
if (!dev_write(dev, offset[0], sizeof(struct label_ondisk), zerobuf))
log_error("Error erasing label 1\n");
}
pool_free(label_pool, block); pool_free(label_pool, block);
dev_close(dev); dev_close(dev);