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ext2fs: Stop checking for failures from malloc(M_WAITOK).

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PR:		240545
Submitted by:	Andrew Reiter <arr@watson.org>
Reviewed by:	fsu
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D25707
This commit is contained in:
Mark Johnston 2020-07-20 14:28:26 +00:00
parent fcc9702f05
commit 39bc40e3d2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363367
5 changed files with 0 additions and 30 deletions
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2
sys/fs/ext2fs/ext2_acl.c
View File

@ -234,8 +234,6 @@ ext2_getacl_posix1e(struct vop_getacl_args *ap)
len = sizeof(*ap->a_aclp) + sizeof(struct ext2_acl_header);
value = malloc(len, M_ACL, M_WAITOK);
if (!value)
return (ENOMEM);
error = vn_extattr_get(ap->a_vp, IO_NODELOCKED, attrnamespace, attrname,
&len, value, ap->a_td);

3
sys/fs/ext2fs/ext2_alloc.c
View File

@ -425,9 +425,6 @@ ext2_valloc(struct vnode *pvp, int mode, struct ucred *cred, struct vnode **vpp)
}
ip = malloc(sizeof(struct inode), M_EXT2NODE, M_WAITOK | M_ZERO);
if (ip == NULL) {
return (ENOMEM);
}
/* Allocate a new vnode/inode. */
if ((error = getnewvnode("ext2fs", ump->um_mountp, &ext2_vnodeops, &vp)) != 0) {

11
sys/fs/ext2fs/ext2_extents.c
View File

@ -322,9 +322,6 @@ ext4_ext_fill_path_bdata(struct ext4_extent_path *path,
("ext4_ext_fill_path_bdata: bad ep_data"));
path->ep_data = malloc(bp->b_bufsize, M_EXT2EXTENTS, M_WAITOK);
if (!path->ep_data)
return (ENOMEM);
memcpy(path->ep_data, bp->b_data, bp->b_bufsize);
path->ep_blk = blk;
@ -397,9 +394,6 @@ ext4_ext_find_extent(struct inode *ip, daddr_t block,
path = malloc(EXT4_EXT_DEPTH_MAX *
sizeof(struct ext4_extent_path),
M_EXT2EXTENTS, M_WAITOK | M_ZERO);
if (!path)
return (ENOMEM);
*ppath = path;
alloc = 1;
}
@ -762,8 +756,6 @@ ext4_ext_split(struct inode *ip, struct ext4_extent_path *path,
/* Allocate new blocks. */
ablks = malloc(sizeof(e4fs_daddr_t) * depth,
M_EXT2EXTENTS, M_WAITOK | M_ZERO);
if (!ablks)
return (ENOMEM);
for (a = 0; a < depth - at; a++) {
newblk = ext4_ext_alloc_meta(ip);
if (newblk == 0)
@ -1517,9 +1509,6 @@ ext4_ext_remove_space(struct inode *ip, off_t length, int flags,
path = malloc(sizeof(struct ext4_extent_path) * (depth + 1),
M_EXT2EXTENTS, M_WAITOK | M_ZERO);
if (!path)
return (ENOMEM);
path[0].ep_header = ehp;
path[0].ep_depth = depth;
i = 0;

4
sys/fs/ext2fs/ext2_lookup.c
View File

@ -894,10 +894,6 @@ ext2_add_first_entry(struct vnode *dvp, struct ext2fs_direct_2 *entry,
entry->e2d_reclen = htole16(dirblksize -
sizeof(struct ext2fs_direct_tail));
buf = malloc(dirblksize, M_TEMP, M_WAITOK);
if (!buf) {
error = ENOMEM;
goto out;
}
memcpy(buf, entry, EXT2_DIR_REC_LEN(entry->e2d_namlen));
ext2_init_dirent_tail(EXT2_DIRENT_TAIL(buf, dirblksize));
ext2_dirent_csum_set(dp, (struct ext2fs_direct_2 *)buf);

10
sys/fs/ext2fs/ext2_vnops.c
View File

@ -1077,10 +1077,6 @@ ext2_rename(struct vop_rename_args *ap)
ext2_dec_nlink(dp);
dp->i_flag |= IN_CHANGE;
dirbuf = malloc(dp->i_e2fs->e2fs_bsize, M_TEMP, M_WAITOK | M_ZERO);
if (!dirbuf) {
error = ENOMEM;
goto bad;
}
error = vn_rdwr(UIO_READ, fvp, (caddr_t)dirbuf,
ip->i_e2fs->e2fs_bsize, (off_t)0,
UIO_SYSSPACE, IO_NODELOCKED | IO_NOMACCHECK,
@ -1390,12 +1386,6 @@ ext2_mkdir(struct vop_mkdir_args *ap)
#define DIRBLKSIZ VTOI(dvp)->i_e2fs->e2fs_bsize
dirtemplate.dotdot_reclen = htole16(DIRBLKSIZ - 12);
buf = malloc(DIRBLKSIZ, M_TEMP, M_WAITOK | M_ZERO);
if (!buf) {
error = ENOMEM;
ext2_dec_nlink(dp);
dp->i_flag |= IN_CHANGE;
goto bad;
}
if (EXT2_HAS_RO_COMPAT_FEATURE(fs, EXT2F_ROCOMPAT_METADATA_CKSUM)) {
dirtemplate.dotdot_reclen =
htole16(le16toh(dirtemplate.dotdot_reclen) -