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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-16 15:39:23 +0200
commitd6da35e0c6d50f76eaf11a0496d3d2ec1a1fea3f (patch)
treec757e3701fbe9dbbf35525e980bd155c244cce52 /fs/proc/fd.c
parent4419da5d5d4b1788568b7bf22c083ba2832891df (diff)
parent42226c989789d8da4af1de0c31070c96726d990c (diff)
Merge 5.18-rc7 into usb-next
We need the tty fixes in here as well, as we need to revert one of them :( Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc/fd.c')
-rw-r--r--fs/proc/fd.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/fs/proc/fd.c b/fs/proc/fd.c
index 172c86270b31..913bef0d2a36 100644
--- a/fs/proc/fd.c
+++ b/fs/proc/fd.c
@@ -72,7 +72,7 @@ out:
return 0;
}
-static int seq_fdinfo_open(struct inode *inode, struct file *file)
+static int proc_fdinfo_access_allowed(struct inode *inode)
{
bool allowed = false;
struct task_struct *task = get_proc_task(inode);
@@ -86,6 +86,16 @@ static int seq_fdinfo_open(struct inode *inode, struct file *file)
if (!allowed)
return -EACCES;
+ return 0;
+}
+
+static int seq_fdinfo_open(struct inode *inode, struct file *file)
+{
+ int ret = proc_fdinfo_access_allowed(inode);
+
+ if (ret)
+ return ret;
+
return single_open(file, seq_show, inode);
}
@@ -348,12 +358,23 @@ static int proc_readfdinfo(struct file *file, struct dir_context *ctx)
proc_fdinfo_instantiate);
}
+static int proc_open_fdinfo(struct inode *inode, struct file *file)
+{
+ int ret = proc_fdinfo_access_allowed(inode);
+
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
const struct inode_operations proc_fdinfo_inode_operations = {
.lookup = proc_lookupfdinfo,
.setattr = proc_setattr,
};
const struct file_operations proc_fdinfo_operations = {
+ .open = proc_open_fdinfo,
.read = generic_read_dir,
.iterate_shared = proc_readfdinfo,
.llseek = generic_file_llseek,