ANDROID: sdcardfs: Remove uninformative prints
authorDaniel Rosenberg <drosen@google.com>
Sat, 11 Mar 2017 02:58:25 +0000 (18:58 -0800)
committerAmit Pundir <amit.pundir@linaro.org>
Mon, 10 Apr 2017 07:42:16 +0000 (13:12 +0530)
At best these prints do not provide useful information, and
at worst, some allow userspace to abuse the kernel log.

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 36138424
Change-Id: I812c57cc6a22b37262935ab77f48f3af4c36827e

fs/sdcardfs/derived_perm.c
fs/sdcardfs/file.c
fs/sdcardfs/inode.c
fs/sdcardfs/lookup.c

index dba58d8c9d6055686460793da3bc9c86218d4143..763f10340487bde32bcb36b9fefd88b84b9d0037 100644 (file)
@@ -437,7 +437,6 @@ int setup_obb_dentry(struct dentry *dentry, struct path *lower_path)
 
        if(!err) {
                /* the obbpath base has been found */
-               printk(KERN_INFO "sdcardfs: the sbi->obbpath is found\n");
                pathcpy(lower_path, &obbpath);
        } else {
                /* if the sbi->obbpath is not available, we can optionally
index 23f8cd7f8877dfd679fd83ce7f6ad1e26ff24fa0..0592facef704ae85b4011c3ec51f1b3f2d1e4ed7 100644 (file)
@@ -217,9 +217,6 @@ static int sdcardfs_open(struct inode *inode, struct file *file)
        }
 
        if(!check_caller_access_to_name(d_inode(parent), &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                         "     dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_err;
        }
index f713fad909d8d61c229f71b46ad7bc3785e8de6c..f19f11ea19fc2732f527eb6cf7a6a631124f3690 100644 (file)
@@ -68,9 +68,6 @@ static int sdcardfs_create(struct inode *dir, struct dentry *dentry,
        struct fs_struct *copied_fs;
 
        if(!check_caller_access_to_name(dir, &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_eacces;
        }
@@ -170,9 +167,6 @@ static int sdcardfs_unlink(struct inode *dir, struct dentry *dentry)
        const struct cred *saved_cred = NULL;
 
        if(!check_caller_access_to_name(dir, &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_eacces;
        }
@@ -280,9 +274,6 @@ static int sdcardfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode
        struct qstr q_data = QSTR_LITERAL("data");
 
        if(!check_caller_access_to_name(dir, &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_eacces;
        }
@@ -392,9 +383,6 @@ static int sdcardfs_rmdir(struct inode *dir, struct dentry *dentry)
        const struct cred *saved_cred = NULL;
 
        if(!check_caller_access_to_name(dir, &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_eacces;
        }
@@ -481,9 +469,6 @@ static int sdcardfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 
        if(!check_caller_access_to_name(old_dir, &old_dentry->d_name) ||
                !check_caller_access_to_name(new_dir, &new_dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  new_dentry: %s, task:%s\n",
-                                                __func__, new_dentry->d_name.name, current->comm);
                err = -EACCES;
                goto out_eacces;
        }
@@ -746,12 +731,8 @@ static int sdcardfs_setattr(struct vfsmount *mnt, struct dentry *dentry, struct
        if (!err) {
                /* check the Android group ID */
                parent = dget_parent(dentry);
-               if(!check_caller_access_to_name(d_inode(parent), &dentry->d_name)) {
-                       printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                        "  dentry: %s, task:%s\n",
-                                                        __func__, dentry->d_name.name, current->comm);
+               if (!check_caller_access_to_name(d_inode(parent), &dentry->d_name))
                        err = -EACCES;
-               }
                dput(parent);
        }
 
@@ -863,9 +844,6 @@ static int sdcardfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 
        parent = dget_parent(dentry);
        if(!check_caller_access_to_name(d_inode(parent), &dentry->d_name)) {
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                                                "  dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                dput(parent);
                return -EACCES;
        }
index bbfb0775c700ae683bb70a858c03accec55aa62e..fffb94c923c48cd3e114a20445a136eb1de48a6c 100644 (file)
@@ -395,9 +395,6 @@ struct dentry *sdcardfs_lookup(struct inode *dir, struct dentry *dentry,
 
        if(!check_caller_access_to_name(d_inode(parent), &dentry->d_name)) {
                ret = ERR_PTR(-EACCES);
-               printk(KERN_INFO "%s: need to check the caller's gid in packages.list\n"
-                         "     dentry: %s, task:%s\n",
-                                                __func__, dentry->d_name.name, current->comm);
                goto out_err;
         }