EP-F6AA0618C49C4AEDA73BFF1B39950BAB Hi,
Subject: [PATCH 1/1] devpts/inode.c : Fix Possible dentry NULL dereference Issue reported by static tool Analyzer (Prevent). d_find_alias can return NULL to deentry, Thus we need NULL check before calling d_delete(dentry) Signed-off-by: Maninder Singh <[email protected]> Reviewed-by: Vaneet Narang <[email protected]> --- fs/devpts/inode.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index add5663..0350ac2 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -663,7 +663,8 @@ void devpts_pty_kill(struct inode *inode) dentry = d_find_alias(inode); drop_nlink(inode); - d_delete(dentry); + if (dentry) + d_delete(dentry); dput(dentry); /* d_alloc_name() in devpts_pty_new() */ dput(dentry); /* d_find_alias above */ -- 1.7.1 Thanks , Maninder Singh
