diff options
Diffstat (limited to 'fs/pstore/ram_core.c')
| -rw-r--r-- | fs/pstore/ram_core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index 9e1047f4316d..97dde525150a 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -544,8 +544,14 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig, return 0; } -void persistent_ram_free(struct persistent_ram_zone *prz) +void persistent_ram_free(struct persistent_ram_zone **_prz) { + struct persistent_ram_zone *prz; + + if (!_prz) + return; + + prz = *_prz; if (!prz) return; @@ -569,6 +575,7 @@ void persistent_ram_free(struct persistent_ram_zone *prz) persistent_ram_free_old(prz); kfree(prz->label); kfree(prz); + *_prz = NULL; } struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size, @@ -605,6 +612,6 @@ struct persistent_ram_zone *persistent_ram_new(phys_addr_t start, size_t size, return prz; err: - persistent_ram_free(prz); + persistent_ram_free(&prz); return ERR_PTR(ret); } |