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Remove useless NULL checks for M_WAITOK mallocs.

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Edward Tomasz Napierala 2010-12-02 01:14:45 +00:00
parent 6157935fa5
commit 26778a6c82
2 changed files with 0 additions and 19 deletions
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17
sys/kern/sysv_msg.c
View file

@ -200,18 +200,10 @@ msginit()
TUNABLE_INT_FETCH("kern.ipc.msgtql", &msginfo.msgtql);
msgpool = malloc(msginfo.msgmax, M_MSG, M_WAITOK);
if (msgpool == NULL)
panic("msgpool is NULL");
msgmaps = malloc(sizeof(struct msgmap) * msginfo.msgseg, M_MSG, M_WAITOK);
if (msgmaps == NULL)
panic("msgmaps is NULL");
msghdrs = malloc(sizeof(struct msg) * msginfo.msgtql, M_MSG, M_WAITOK);
if (msghdrs == NULL)
panic("msghdrs is NULL");
msqids = malloc(sizeof(struct msqid_kernel) * msginfo.msgmni, M_MSG,
M_WAITOK);
if (msqids == NULL)
panic("msqids is NULL");
/*
* msginfo.msgssz should be a power of two for efficiency reasons.
@ -233,9 +225,6 @@ msginit()
panic("msginfo.msgseg > 32767");
}
if (msgmaps == NULL)
panic("msgmaps is NULL");
for (i = 0; i < msginfo.msgseg; i++) {
if (i > 0)
msgmaps[i-1].next = i;
@ -244,9 +233,6 @@ msginit()
free_msgmaps = 0;
nfree_msgmaps = msginfo.msgseg;
if (msghdrs == NULL)
panic("msghdrs is NULL");
for (i = 0; i < msginfo.msgtql; i++) {
msghdrs[i].msg_type = 0;
if (i > 0)
@ -258,9 +244,6 @@ msginit()
}
free_msghdrs = &msghdrs[0];
if (msqids == NULL)
panic("msqids is NULL");
for (i = 0; i < msginfo.msgmni; i++) {
msqids[i].u.msg_qbytes = 0; /* implies entry is available */
msqids[i].u.msg_perm.seq = 0; /* reset to a known value */

2
sys/kern/sysv_shm.c
View file

@ -878,8 +878,6 @@ shminit()
shmalloced = shminfo.shmmni;
shmsegs = malloc(shmalloced * sizeof(shmsegs[0]), M_SHM, M_WAITOK);
if (shmsegs == NULL)
panic("cannot allocate initial memory for sysvshm");
for (i = 0; i < shmalloced; i++) {
shmsegs[i].u.shm_perm.mode = SHMSEG_FREE;
shmsegs[i].u.shm_perm.seq = 0;