[PATCH RESEND] mtd:spi-nor: Fix an issue of releasing resources during read/write

[Tudor Ambarus]

On Thu, 1 Apr 2021 15:34:46 +0800, Yicong Yang wrote:
> If rmmod the driver during read or write, the driver will release the
> resources which are used during read or write, so it is possible to
> refer to NULL pointer.
> 
> Use the testcase "mtd_debug read /dev/mtd0 0xc00000 0x400000 dest_file &
> sleep 0.5;rmmod spi_hisi_sfc_v3xx.ko", the issue can be reproduced in
> hisi_sfc_v3xx driver.
> 
> [...]

Updated subject, added fixes tag and cc to stable.
Applied to spi-nor/next, thanks!

[1/1] mtd:spi-nor: Fix an issue of releasing resources during read/write
      https://git.kernel.org/mtd/c/be94215be1ab

Best regards,
-- 
Tudor Ambarus <tudor.ambarus at microchip.com>