Re: [PATCH] [v3] gpu: ipu-v3: prg: avoid possible array underflow

2018-03-15 Thread Philipp Zabel
Hi Arnd, On Thu, 2018-03-15 at 17:19 +0100, Arnd Bergmann wrote: > gcc-8 reports that we access an array with a negative index > in an error case: > > drivers/gpu/ipu-v3/ipu-prg.c: In function 'ipu_prg_channel_disable': > drivers/gpu/ipu-v3/ipu-prg.c:252:43: error: array subscript -22 is below >

[PATCH] [v3] gpu: ipu-v3: prg: avoid possible array underflow

2018-03-15 Thread Arnd Bergmann
gcc-8 reports that we access an array with a negative index in an error case: drivers/gpu/ipu-v3/ipu-prg.c: In function 'ipu_prg_channel_disable': drivers/gpu/ipu-v3/ipu-prg.c:252:43: error: array subscript -22 is below array bounds of 'struct ipu_prg_channel[3]' [-Werror=array-bounds] This move