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Some extra (paranoid) checks on dev_is_{md,swap} result.

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This commit is contained in:
Petr Rockai 2009-03-17 14:00:58 +00:00
parent 3402ccd488
commit a9d72f0e9d
1 changed files with 15 additions and 2 deletions
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17
tools/pvcreate.c
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@ -46,6 +46,7 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
struct physical_volume *pv;
struct device *dev;
uint64_t md_superblock, swap_signature;
int wipe_md, wipe_swap;
/* FIXME Check partition type is LVM unless --force is given */
@ -117,7 +118,7 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
}
/* Wipe superblock? */
if (dev_is_md(dev, &md_superblock) &&
if ((wipe_md = dev_is_md(dev, &md_superblock)) == 1 &&
((!pp->idp && !pp->restorefile) || pp->yes ||
(yes_no_prompt("Software RAID md superblock "
"detected on %s. Wipe it? [y/n] ", name) == 'y'))) {
@ -129,7 +130,13 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
}
}
if (dev_is_swap(dev, &swap_signature) &&
if (wipe_md == -1) {
log_error("Fatal error while trying to detect software "
"RAID md superblock on %s", name);
return 0;
}
if ((wipe_swap = dev_is_swap(dev, &swap_signature)) == 1 &&
((!pp->idp && !pp->restorefile) || pp->yes ||
(yes_no_prompt("Swap signature detected on %s. Wipe it? [y/n] ",
name) == 'y'))) {
@ -140,6 +147,12 @@ static int pvcreate_check(struct cmd_context *cmd, const char *name,
}
}
if (wipe_swap == -1) {
log_error("Fatal error while trying to detect swap "
"signature on %s", name);
return 0;
}
if (sigint_caught())
return 0;