diff options
| author | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 15:03:21 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2012-10-09 15:04:25 +0100 |
| commit | ffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch) | |
| tree | f601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /fs/jffs2/acl.c | |
| parent | e2d3a35ee427aaba99b6c68a56609ce276c51270 (diff) | |
| parent | 4a8e43feeac7996b8de2d5b2823e316917493df4 (diff) | |
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09
Conflicts:
MAINTAINERS
arch/arm/configs/bcmring_defconfig
arch/arm/mach-imx/clk-imx51-imx53.c
drivers/mtd/nand/Kconfig
drivers/mtd/nand/bcm_umi_nand.c
drivers/mtd/nand/nand_bcm_umi.h
drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'fs/jffs2/acl.c')
| -rw-r--r-- | fs/jffs2/acl.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index 922f146e4235..223283c30111 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -94,15 +94,23 @@ static struct posix_acl *jffs2_acl_from_medium(void *value, size_t size) case ACL_MASK: case ACL_OTHER: value += sizeof(struct jffs2_acl_entry_short); - acl->a_entries[i].e_id = ACL_UNDEFINED_ID; break; case ACL_USER: + value += sizeof(struct jffs2_acl_entry); + if (value > end) + goto fail; + acl->a_entries[i].e_uid = + make_kuid(&init_user_ns, + je32_to_cpu(entry->e_id)); + break; case ACL_GROUP: value += sizeof(struct jffs2_acl_entry); if (value > end) goto fail; - acl->a_entries[i].e_id = je32_to_cpu(entry->e_id); + acl->a_entries[i].e_gid = + make_kgid(&init_user_ns, + je32_to_cpu(entry->e_id)); break; default: @@ -131,13 +139,19 @@ static void *jffs2_acl_to_medium(const struct posix_acl *acl, size_t *size) header->a_version = cpu_to_je32(JFFS2_ACL_VERSION); e = header + 1; for (i=0; i < acl->a_count; i++) { + const struct posix_acl_entry *acl_e = &acl->a_entries[i]; entry = e; - entry->e_tag = cpu_to_je16(acl->a_entries[i].e_tag); - entry->e_perm = cpu_to_je16(acl->a_entries[i].e_perm); - switch(acl->a_entries[i].e_tag) { + entry->e_tag = cpu_to_je16(acl_e->e_tag); + entry->e_perm = cpu_to_je16(acl_e->e_perm); + switch(acl_e->e_tag) { case ACL_USER: + entry->e_id = cpu_to_je32( + from_kuid(&init_user_ns, acl_e->e_uid)); + e += sizeof(struct jffs2_acl_entry); + break; case ACL_GROUP: - entry->e_id = cpu_to_je32(acl->a_entries[i].e_id); + entry->e_id = cpu_to_je32( + from_kgid(&init_user_ns, acl_e->e_gid)); e += sizeof(struct jffs2_acl_entry); break; @@ -363,7 +377,7 @@ static int jffs2_acl_getxattr(struct dentry *dentry, const char *name, return PTR_ERR(acl); if (!acl) return -ENODATA; - rc = posix_acl_to_xattr(acl, buffer, size); + rc = posix_acl_to_xattr(&init_user_ns, acl, buffer, size); posix_acl_release(acl); return rc; @@ -381,7 +395,7 @@ static int jffs2_acl_setxattr(struct dentry *dentry, const char *name, return -EPERM; if (value) { - acl = posix_acl_from_xattr(value, size); + acl = posix_acl_from_xattr(&init_user_ns, value, size); if (IS_ERR(acl)) return PTR_ERR(acl); if (acl) { |