On Tue, Sep 14, 2021 at 05:21:48AM +0200, Marek Vasut wrote:
> Both dummy.nbytes and dummy.buswidth may be zero. By not checking
> the later, it is possible to trigger division by zero and a crash.
> This does happen with tiny SPI NOR framework in SPL. Fix this by
> adding the check and returning
On 9/14/21 7:46 PM, Pratyush Yadav wrote:
On 14/09/21 05:21AM, Marek Vasut wrote:
Both dummy.nbytes and dummy.buswidth may be zero. By not checking
the later, it is possible to trigger division by zero and a crash.
This does happen with tiny SPI NOR framework in SPL. Fix this by
adding the check
On 14/09/21 05:21AM, Marek Vasut wrote:
> Both dummy.nbytes and dummy.buswidth may be zero. By not checking
> the later, it is possible to trigger division by zero and a crash.
> This does happen with tiny SPI NOR framework in SPL. Fix this by
> adding the check and returning zero dummy bytes in su
Both dummy.nbytes and dummy.buswidth may be zero. By not checking
the later, it is possible to trigger division by zero and a crash.
This does happen with tiny SPI NOR framework in SPL. Fix this by
adding the check and returning zero dummy bytes in such a case.
Fixes: 38b0852b0ea ("spi: cadence-qs
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