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Fix kernel panic when calling spa_tryimport() on a corrupted pool.

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OpenSolaris onnv revision:	8680:005fe27123ba

Approved by:	delphij (mentor)
Obtained from:	OpenSolaris (Bug ID 6786321)
MFC after:	1 day
This commit is contained in:
Martin Matuska 2010-05-23 10:13:11 +00:00
parent e3fffd1a9f
commit 55a381515b
1 changed files with 3 additions and 2 deletions
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5
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa.c
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@ -2478,6 +2478,7 @@ spa_tryimport(nvlist_t *tryconfig)
char *poolname;
spa_t *spa;
uint64_t state;
int error;
if (nvlist_lookup_string(tryconfig, ZPOOL_CONFIG_POOL_NAME, &poolname))
return (NULL);
@ -2497,7 +2498,7 @@ spa_tryimport(nvlist_t *tryconfig)
* Pass TRUE for mosconfig because the user-supplied config
* is actually the one to trust when doing an import.
*/
(void) spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE);
error = spa_load(spa, tryconfig, SPA_LOAD_TRYIMPORT, B_TRUE);
/*
* If 'tryconfig' was at least parsable, return the current config.
@ -2516,7 +2517,7 @@ spa_tryimport(nvlist_t *tryconfig)
* copy it out so that external consumers can tell which
* pools are bootable.
*/
if (spa->spa_bootfs) {
if ((!error || error == EEXIST) && spa->spa_bootfs) {
char *tmpname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
/*