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Code Issues Releases Activity

Fix Giant leakage in several error cases in __semctl().

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This commit is contained in:
John Baldwin 2002-02-27 19:12:14 +00:00
parent 6bd7ad69a1
commit 4a7d6cd251
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=91417
1 changed files with 4 additions and 4 deletions
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8
sys/kern/sysv_sem.c
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@ -494,14 +494,14 @@ __semctl(td, uap)
switch(cmd) {
case SEM_STAT:
if (semid < 0 || semid >= seminfo.semmsl)
return(EINVAL);
UGAR(EINVAL);
semaptr = &sema[semid];
if ((semaptr->sem_perm.mode & SEM_ALLOC) == 0 )
return(EINVAL);
UGAR(EINVAL);
if ((error = ipcperm(td, &semaptr->sem_perm, IPC_R)))
return(error);
UGAR(error);
if ((error = copyin(arg, &real_arg, sizeof(real_arg))) != 0)
return(error);
UGAR(error);
error = copyout((caddr_t)semaptr, real_arg.buf,
sizeof(struct semid_ds));
rval = IXSEQ_TO_IPCID(semid,semaptr->sem_perm);