Re: [PATCH] cifs: missing null pointer check in cifs_mount

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Agreed.

On June 23, 2021 8:48:24 AM GMT-03:00, "Aurélien Aptel" <aaptel@xxxxxxxx> wrote:
>Steve French <smfrench@xxxxxxxxx> writes:
>> We weren't checking if tcon is null before setting dfs path,
>> although we check for null tcon in an earlier assignment statement.
>
>If tcon is NULL there is no point in continuing in that function, we
>should have exited earlier.
>
>If tcon is NULL it means mount_get_conns() failed so presumably rc will
>be != 0 and we would goto error.
>
>I don't think this is needed. We could change the existing check after
>the loop to this you really want to be safe:
>
>	if (rc || !tcon)
>		goto error;
>
>
>Cheers,




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