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Remove some NULL checks for M_WAITOK allocations.

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MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2016-03-29 13:56:59 +00:00
parent 6c5b1ed4b6
commit 35030a5dd4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=297391
7 changed files with 0 additions and 24 deletions
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4
sys/kern/imgact_elf.c
View File

@ -1370,10 +1370,6 @@ __elfN(coredump)(struct thread *td, struct vnode *vp, off_t limit, int flags)
* and write it out following the notes.
*/
hdr = malloc(hdrsize, M_TEMP, M_WAITOK);
if (hdr == NULL) {
error = EINVAL;
goto done;
}
error = __elfN(corehdr)(&params, seginfo.count, hdr, hdrsize, &notelst,
notesz);

4
sys/kern/kern_exec.c
View File

@ -1570,8 +1570,6 @@ exec_register(execsw_arg)
for (es = execsw; *es; es++)
count++;
newexecsw = malloc(count * sizeof(*es), M_TEMP, M_WAITOK);
if (newexecsw == NULL)
return (ENOMEM);
xs = newexecsw;
if (execsw)
for (es = execsw; *es; es++)
@ -1604,8 +1602,6 @@ exec_unregister(execsw_arg)
if (*es != execsw_arg)
count++;
newexecsw = malloc(count * sizeof(*es), M_TEMP, M_WAITOK);
if (newexecsw == NULL)
return (ENOMEM);
xs = newexecsw;
for (es = execsw; *es; es++)
if (*es != execsw_arg)

2
sys/kern/kern_linker.c
View File

@ -1763,8 +1763,6 @@ linker_hints_lookup(const char *path, int pathlen, const char *modname,
goto bad;
}
hints = malloc(vattr.va_size, M_TEMP, M_WAITOK);
if (hints == NULL)
goto bad;
error = vn_rdwr(UIO_READ, nd.ni_vp, (caddr_t)hints, vattr.va_size, 0,
UIO_SYSSPACE, IO_NODELOCKED, cred, NOCRED, &reclen, td);
if (error)

2
sys/net/rtsock.c
View File

@ -275,8 +275,6 @@ rts_attach(struct socket *so, int proto, struct thread *td)
/* XXX */
rp = malloc(sizeof *rp, M_PCB, M_WAITOK | M_ZERO);
if (rp == NULL)
return ENOBUFS;
so->so_pcb = (caddr_t)rp;
so->so_fibnum = td->td_proc->p_fibnum;

2
sys/netinet/tcp_subr.c
View File

@ -1706,8 +1706,6 @@ tcp_pcblist(SYSCTL_HANDLER_ARGS)
return (error);
inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
if (inp_list == NULL)
return (ENOMEM);
INP_INFO_WLOCK(&V_tcbinfo);
for (inp = LIST_FIRST(V_tcbinfo.ipi_listhead), i = 0;

8
sys/rpc/rpc_generic.c
View File

@ -390,15 +390,11 @@ __rpc_uaddr2taddr_af(int af, const char *uaddr)
}
ret = (struct netbuf *)malloc(sizeof *ret, M_RPC, M_WAITOK);
if (ret == NULL)
goto out;
switch (af) {
case AF_INET:
sin = (struct sockaddr_in *)malloc(sizeof *sin, M_RPC,
M_WAITOK);
if (sin == NULL)
goto out;
memset(sin, 0, sizeof *sin);
sin->sin_family = AF_INET;
sin->sin_port = htons(port);
@ -415,8 +411,6 @@ __rpc_uaddr2taddr_af(int af, const char *uaddr)
case AF_INET6:
sin6 = (struct sockaddr_in6 *)malloc(sizeof *sin6, M_RPC,
M_WAITOK);
if (sin6 == NULL)
goto out;
memset(sin6, 0, sizeof *sin6);
sin6->sin6_family = AF_INET6;
sin6->sin6_port = htons(port);
@ -433,8 +427,6 @@ __rpc_uaddr2taddr_af(int af, const char *uaddr)
case AF_LOCAL:
sun = (struct sockaddr_un *)malloc(sizeof *sun, M_RPC,
M_WAITOK);
if (sun == NULL)
goto out;
memset(sun, 0, sizeof *sun);
sun->sun_family = AF_LOCAL;
strncpy(sun->sun_path, addrstr, sizeof(sun->sun_path) - 1);

2
sys/ufs/ufs/ufs_extattr.c
View File

@ -597,8 +597,6 @@ ufs_extattr_enable(struct ufsmount *ump, int attrnamespace,
attribute = malloc(sizeof(struct ufs_extattr_list_entry),
M_UFS_EXTATTR, M_WAITOK);
if (attribute == NULL)
return (ENOMEM);
if (!(ump->um_extattr.uepm_flags & UFS_EXTATTR_UEPM_STARTED)) {
error = EOPNOTSUPP;