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authorDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
committerDavid S. Miller <davem@davemloft.net>2012-10-02 23:02:10 -0400
commit954f9ac43b87b44152b8c21163cefd466a87145e (patch)
tree31c4197f975c66c96976948663e6ce844900b41a /fs/ntfs/super.c
parent1b62ca7bf5775bed048032b7e779561e1fe66aa0 (diff)
parent7fe0b14b725d6d09a1d9e1409bd465cb88b587f9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
There's a Niagara 2 memcpy fix in this tree and I have a Kconfig fix from Dave Jones which requires the sparc-next changes which went upstream yesterday. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/ntfs/super.c')
-rw-r--r--fs/ntfs/super.c39
1 files changed, 32 insertions, 7 deletions
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 2bc149d6a784..da01c165067d 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -102,8 +102,8 @@ static bool parse_options(ntfs_volume *vol, char *opt)
char *p, *v, *ov;
static char *utf8 = "utf8";
int errors = 0, sloppy = 0;
- uid_t uid = (uid_t)-1;
- gid_t gid = (gid_t)-1;
+ kuid_t uid = INVALID_UID;
+ kgid_t gid = INVALID_GID;
umode_t fmask = (umode_t)-1, dmask = (umode_t)-1;
int mft_zone_multiplier = -1, on_errors = -1;
int show_sys_files = -1, case_sensitive = -1, disable_sparse = -1;
@@ -128,6 +128,30 @@ static bool parse_options(ntfs_volume *vol, char *opt)
if (*v) \
goto needs_val; \
}
+#define NTFS_GETOPT_UID(option, variable) \
+ if (!strcmp(p, option)) { \
+ uid_t uid_value; \
+ if (!v || !*v) \
+ goto needs_arg; \
+ uid_value = simple_strtoul(ov = v, &v, 0); \
+ if (*v) \
+ goto needs_val; \
+ variable = make_kuid(current_user_ns(), uid_value); \
+ if (!uid_valid(variable)) \
+ goto needs_val; \
+ }
+#define NTFS_GETOPT_GID(option, variable) \
+ if (!strcmp(p, option)) { \
+ gid_t gid_value; \
+ if (!v || !*v) \
+ goto needs_arg; \
+ gid_value = simple_strtoul(ov = v, &v, 0); \
+ if (*v) \
+ goto needs_val; \
+ variable = make_kgid(current_user_ns(), gid_value); \
+ if (!gid_valid(variable)) \
+ goto needs_val; \
+ }
#define NTFS_GETOPT_OCTAL(option, variable) \
if (!strcmp(p, option)) { \
if (!v || !*v) \
@@ -165,8 +189,8 @@ static bool parse_options(ntfs_volume *vol, char *opt)
while ((p = strsep(&opt, ","))) {
if ((v = strchr(p, '=')))
*v++ = 0;
- NTFS_GETOPT("uid", uid)
- else NTFS_GETOPT("gid", gid)
+ NTFS_GETOPT_UID("uid", uid)
+ else NTFS_GETOPT_GID("gid", gid)
else NTFS_GETOPT_OCTAL("umask", fmask = dmask)
else NTFS_GETOPT_OCTAL("fmask", fmask)
else NTFS_GETOPT_OCTAL("dmask", dmask)
@@ -283,9 +307,9 @@ no_mount_options:
vol->on_errors = on_errors;
if (!vol->on_errors || vol->on_errors == ON_ERRORS_RECOVER)
vol->on_errors |= ON_ERRORS_CONTINUE;
- if (uid != (uid_t)-1)
+ if (uid_valid(uid))
vol->uid = uid;
- if (gid != (gid_t)-1)
+ if (gid_valid(gid))
vol->gid = gid;
if (fmask != (umode_t)-1)
vol->fmask = fmask;
@@ -1023,7 +1047,8 @@ static bool load_and_init_mft_mirror(ntfs_volume *vol)
* ntfs_read_inode() will have set up the default ones.
*/
/* Set uid and gid to root. */
- tmp_ino->i_uid = tmp_ino->i_gid = 0;
+ tmp_ino->i_uid = GLOBAL_ROOT_UID;
+ tmp_ino->i_gid = GLOBAL_ROOT_GID;
/* Regular file. No access for anyone. */
tmp_ino->i_mode = S_IFREG;
/* No VFS initiated operations allowed for $MFTMirr. */