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(parent: 08337cd) | patch
spi: sun4i: Add rx_buf NULL pointer check
authorStefan Mavrodiev <stefan@olimex.com>
Wed, 5 Dec 2018 12:27:57 +0000 (14:27 +0200)
committerJagan Teki <jagan@amarulasolutions.com>
Tue, 1 Jan 2019 19:24:05 +0000 (00:54 +0530)
commit5c1a87de58092b5a17c20b6debfccaa6cf677fde
tree1f40ede5c56d36df6be823417c1ea171ffffb335tree | snapshot
parent08337cd64832ed7f8147da75013510b92bbcd188commit | diff
spi: sun4i: Add rx_buf NULL pointer check

Current driver doesn't check if the destination pointer is NULL.
This cause the data from the FIFO to be stored inside the internal
SDRAM ( address 0 ).

The patch add simple check if the destination pointer is NULL.

Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
Acked-by: Jagan Teki <jagan@openedev.com>
[jagan: fix commit message]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
drivers/spi/sun4i_spi.c diff | blob | history
Domain: System / Kernel;