From: Niu Yawei <yawei....@intel.com>

In ll_lov_setea(), setting MDS_OPEN_HAS_OBJS to an int flags will
result in the flags being overflowed.

Signed-off-by: Niu Yawei <yawei....@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3744
Reviewed-on: http://review.whamcloud.com/7312
Reviewed-by: Emoly Liu <emoly....@intel.com>
Reviewed-by: Jian Yu <jian...@intel.com>
Reviewed-by: Oleg Drokin <oleg.dro...@intel.com>
Signed-off-by: James Simmons <jsimm...@infradead.org>
---
 drivers/staging/lustre/lustre/llite/file.c         |    7 ++++---
 .../staging/lustre/lustre/llite/llite_internal.h   |    2 +-
 drivers/staging/lustre/lustre/llite/xattr.c        |    6 +++---
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/lustre/llite/file.c 
b/drivers/staging/lustre/lustre/llite/file.c
index 69b56a8..02b5783 100644
--- a/drivers/staging/lustre/lustre/llite/file.c
+++ b/drivers/staging/lustre/lustre/llite/file.c
@@ -1363,7 +1363,8 @@ static int ll_lov_recreate_fid(struct inode *inode, 
unsigned long arg)
 }
 
 int ll_lov_setstripe_ea_info(struct inode *inode, struct dentry *dentry,
-                            int flags, struct lov_user_md *lum, int lum_size)
+                            __u64 flags, struct lov_user_md *lum,
+                            int lum_size)
 {
        struct lov_stripe_md *lsm = NULL;
        struct lookup_intent oit = {.it_op = IT_OPEN, .it_flags = flags};
@@ -1487,7 +1488,7 @@ out:
 static int ll_lov_setea(struct inode *inode, struct file *file,
                        unsigned long arg)
 {
-       int                      flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
+       __u64                    flags = MDS_OPEN_HAS_OBJS | FMODE_WRITE;
        struct lov_user_md      *lump;
        int                      lum_size = sizeof(struct lov_user_md) +
                                            sizeof(struct lov_user_ost_data);
@@ -1521,7 +1522,7 @@ static int ll_lov_setstripe(struct inode *inode, struct 
file *file,
        struct lov_user_md_v1 __user *lumv1p = (void __user *)arg;
        struct lov_user_md_v3 __user *lumv3p = (void __user *)arg;
        int lum_size, rc;
-       int flags = FMODE_WRITE;
+       __u64 flags = FMODE_WRITE;
 
        /* first try with v1 which is smaller than v3 */
        lum_size = sizeof(struct lov_user_md_v1);
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h 
b/drivers/staging/lustre/lustre/llite/llite_internal.h
index ba24f09..ccbb9be 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -745,7 +745,7 @@ struct posix_acl *ll_get_acl(struct inode *inode, int type);
 int ll_inode_permission(struct inode *inode, int mask);
 
 int ll_lov_setstripe_ea_info(struct inode *inode, struct dentry *dentry,
-                            int flags, struct lov_user_md *lum,
+                            __u64 flags, struct lov_user_md *lum,
                             int lum_size);
 int ll_lov_getstripe_ea_info(struct inode *inode, const char *filename,
                             struct lov_mds_md **lmm, int *lmm_size,
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c 
b/drivers/staging/lustre/lustre/llite/xattr.c
index b68dcc9..6282478 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -243,12 +243,12 @@ int ll_setxattr(struct dentry *dentry, const char *name,
                        lump->lmm_stripe_offset = -1;
 
                if (lump && S_ISREG(inode->i_mode)) {
-                       int flags = FMODE_WRITE;
+                       __u64 it_flags = FMODE_WRITE;
                        int lum_size = (lump->lmm_magic == LOV_USER_MAGIC_V1) ?
                                sizeof(*lump) : sizeof(struct lov_user_md_v3);
 
-                       rc = ll_lov_setstripe_ea_info(inode, dentry, flags, 
lump,
-                                                     lum_size);
+                       rc = ll_lov_setstripe_ea_info(inode, dentry, it_flags,
+                                                     lump, lum_size);
                        /* b10667: rc always be 0 here for now */
                        rc = 0;
                } else if (S_ISDIR(inode->i_mode)) {
-- 
1.7.1

_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

Reply via email to