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ANDROID: sdcardfs: Remove uninformative prints

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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
This commit is contained in:
Daniel Rosenberg
2017-03-10 18:58:25 -08:00
parent e2538dac6a
commit 32dc587e60
4 changed files with 1 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
fs/sdcardfs/derived_perm.c
View File

@@ -440,7 +440,6 @@ 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

3
fs/sdcardfs/file.c
View 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;
}

24
fs/sdcardfs/inode.c
View 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;
}
@@ -485,9 +473,6 @@ 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;
}
@@ -752,12 +737,8 @@ 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);
}
@@ -869,9 +850,6 @@ 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;
}

3
fs/sdcardfs/lookup.c
View 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;
}