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cifs: missing null check for newinode pointer

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in cifs_do_create we check if newinode is valid before referencing it
but are missing the check in one place in fs/cifs/dir.c

Addresses-Coverity: 1357292 ("Dereference after null check")
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Steve French 2021-06-22 19:53:08 -05:00
parent 4c4a525ae5
commit 0917310b98
1 changed files with 5 additions and 4 deletions
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9
fs/cifs/dir.c
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@ -384,10 +384,11 @@ cifs_create_set_dentry:
goto out_err;
}
if (S_ISDIR(newinode->i_mode)) {
rc = -EISDIR;
goto out_err;
}
if (newinode)
if (S_ISDIR(newinode->i_mode)) {
rc = -EISDIR;
goto out_err;
}
d_drop(direntry);
d_add(direntry, newinode);