Messages in this thread | | | From | Miguel Ojeda <> | Date | Wed, 24 Nov 2021 12:01:51 +0100 | Subject | Re: [PATCH v2 2/2] auxdisplay: charlcd: checking for pointer reference before dereferencing |
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On Tue, Nov 9, 2021 at 11:07 PM Luiz Sampaio <sampaio.ime@gmail.com> wrote: > > Check if the pointer lcd->ops->init_display exists before dereferencing it. > If a driver called charlcd_init() without defining the ops, this would > return segmentation fault, as happened to me when implementing a charlcd > driver. Checking the pointer before dereferencing protects from > segmentation fault. > > Signed-off-by: Luiz Sampaio <sampaio.ime@gmail.com>
Queued up, thanks!
Cheers, Miguel
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