https://github.com/torvalds/linux
Revision 30780d086a83332adcd9362281201cee7c3d9d19 authored by Arnd Bergmann on 07 January 2020, 20:43:59 UTC, committed by David S. Miller on 08 January 2020, 21:11:00 UTC
With -O3, gcc has found an actual unintialized variable stored
into an mmio register in two instances:

drivers/atm/eni.c: In function 'discard':
drivers/atm/eni.c:465:13: error: 'dma[1]' is used uninitialized in this function [-Werror=uninitialized]
   writel(dma[i*2+1],eni_dev->rx_dma+dma_wr*8+4);
             ^
drivers/atm/eni.c:465:13: error: 'dma[3]' is used uninitialized in this function [-Werror=uninitialized]

Change the code to always write zeroes instead.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 96cc4b6
History
Tip revision: 30780d086a83332adcd9362281201cee7c3d9d19 authored by Arnd Bergmann on 07 January 2020, 20:43:59 UTC
atm: eni: fix uninitialized variable warning
Tip revision: 30780d0
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