Re: [PATCH] eventfs: Fix failure path in eventfs_create_events_dir()
From: Mukesh Ojha <hidden>
Date: 2023-10-23 09:20:38
Also in:
lkml
On 10/20/2023 6:11 AM, Steven Rostedt wrote:
From: "Steven Rostedt (Google)" <rostedt@goodmis.org> The failure path of allocating ei goes to a path that dereferences ei. Add another label that skips over the ei dereferences to do the rest of the clean up. Link: https://lore.kernel.org/all/70e7bace-561c-95f-1117-706c2c220bc@inria.fr/ (local) Fixes: 5790b1fb3d67 ("eventfs: Remove eventfs_file and just use eventfs_inode") Reported-by: Julia Lawall <julia.lawall@inria.fr> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Reviewed-by: Mukesh Ojha <redacted> -Mukesh
quoted hunk ↗ jump to hunk
--- fs/tracefs/event_inode.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index 9f19b6608954..1885f1f1f339 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c@@ -735,7 +735,7 @@ struct eventfs_inode *eventfs_create_events_dir(const char *name, struct dentry ei = kzalloc(sizeof(*ei), GFP_KERNEL); if (!ei) - goto fail; + goto fail_ei; inode = tracefs_get_inode(dentry->d_sb); if (unlikely(!inode))@@ -781,6 +781,7 @@ struct eventfs_inode *eventfs_create_events_dir(const char *name, struct dentry fail: kfree(ei->d_children); kfree(ei); + fail_ei: tracefs_failed_creating(dentry); return ERR_PTR(-ENOMEM); }