Re: [PATCH] tty: atmel_serial: fix a NULL pointer dereference

Le 15/03/2019 à 18:16, Kangjie Lu a écrit : > In case dmaengine_prep_dma_cyclic fails, the fix returns a proper > error code to avoid NULL pointer dereference. > > Signed-off-by: Kangjie Lu > Fixes: 34df42f59a60 ("serial: at91: add rx dma support") Acked-by: Richard Genoud > > --- > V2: simpli

[PATCH] tty: atmel_serial: fix a NULL pointer dereference

In case dmaengine_prep_dma_cyclic fails, the fix returns a proper error code to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu Fixes: 34df42f59a60 ("serial: at91: add rx dma support") --- V2: simplified the patch as suggested by Richard Genoud --- drivers/tty/serial/atmel_serial.c |

Re: [PATCH] tty: atmel_serial: fix a NULL pointer dereference

Hi, Good catch ! Le 14/03/2019 à 08:17, Kangjie Lu a écrit : > In case dmaengine_prep_dma_cyclic fails, the fix return a proper > error code to avoid NULL pointer dereference. > you could add: Fixes: 34df42f59a60 ("serial: at91: add rx dma support") So that -stable branches get this. > Signed-of

[PATCH] tty: atmel_serial: fix a NULL pointer dereference

In case dmaengine_prep_dma_cyclic fails, the fix return a proper error code to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu --- drivers/tty/serial/atmel_serial.c | 12 ++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/atmel_serial.c b/dr