On 12/20/2012 06:10 AM, Simo Sorce wrote:
-static errno_t sss_mc_get_record(struct sss_mc_ctx *mcc,
+static errno_t sss_mc_get_record(struct sss_mc_ctx **_mcc,
size_t rec_len,
struct sized_string *key,
struct sss_mc_rec **_rec)
{
+ struct sss_mc_ctx *mcc = *_mcc;
struct sss_mc_rec *old_rec = NULL;
struct sss_mc_rec *rec;
int old_slots;
@@ -424,6 +425,16 @@ static errno_t sss_mc_get_record(struct sss_mc_ctx *mcc,
/* we are going to use more space, find enough free slots */
ret = sss_mc_find_free_slots(mcc, num_slots, &base_slot);
if (ret != EOK) {
+ if (ret == EFAULT) {
+ TALLOC_CTX *parent;
+ DEBUG(SSSDBG_CRIT_FAILURE,
+ ("Fatal internal mmap cache error, invalidating cache!\n"));
+ parent = talloc_parent(mcc);
+ if (parent == NULL) {
+ talloc_zfree(*_mcc);
+ }
+ (void)sss_mmap_cache_reinit(parent, -1, -1, _mcc);
+ }
return ret;
}
Hi,
Is if (parent == NULL) only precaution or can it actually happen?
If you talloc_zfree(*_mcc) then you will hit EINVAL in reinit() and the
cache won't be reinitialized. Is this intentional? If so, can you
comment it in the code?
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