Messages in this thread | | | Date | Mon, 13 Sep 2004 17:49:11 -0300 | From | Felipe W Damasio <> | Subject | Re: [PATCH] close race condition in shared memory mapping/unmapping |
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Hi Neil,
Neil Horman wrote: > + down(&shm_ids.sem); > shp = shm_lock(shmid); > if(shp == NULL) { > + shm_unlock(shp); > + up(&shm_ids.sem); > err = -EINVAL; > goto out; > }
Trying to unlock a NULL pointer?
Cheers,
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