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authorKees Cook <keescook@chromium.org>2020-06-03 13:28:45 -0700
committerKees Cook <keescook@chromium.org>2020-07-16 12:32:25 -0700
commit098c9db4767095a20ae3ab78a186eb1ae097a5c1 (patch)
tree5ef73ae59018b4021cea909010c31405257dcbf4 /drivers/mfd/axp20x-i2c.c
parenteecd48c84f0e641a69ec96c9780894d5702f856b (diff)
spi: davinci: Remove uninitialized_var() usage
Using uninitialized_var() is dangerous as it papers over real bugs[1] (or can in the future), and suppresses unrelated compiler warnings (e.g. "unused variable"). If the compiler thinks it is uninitialized, either simply initialize the variable or make compiler changes. As a precursor to removing[2] this[3] macro[4], just remove this variable since it was actually unused: drivers/spi/spi-davinci.c: In function ‘davinci_spi_bufs’: drivers/spi/spi-davinci.c:579:11: warning: unused variable ‘rx_buf_count’ [-Wunused-variable] 579 | unsigned rx_buf_count; | ^~~~~~~~~~~~ [1] https://lore.kernel.org/lkml/20200603174714.192027-1-glider@google.com/ [2] https://lore.kernel.org/lkml/CA+55aFw+Vbj0i=1TGqCR5vQkCzWJ0QxK6CernOU6eedsudAixw@mail.gmail.com/ [3] https://lore.kernel.org/lkml/CA+55aFwgbgqhbp1fkxvRKEpzyR5J8n1vKT1VZdz9knmPuXhOeg@mail.gmail.com/ [4] https://lore.kernel.org/lkml/CA+55aFz2500WfbKXAx8s67wrm9=yVJu65TpLgN_ybYNv0VEOKA@mail.gmail.com/ Fixes: 048177ce3b39 ("spi: spi-davinci: convert to DMA engine API") Reviewed-by: Nick Desaulniers <ndesaulniers@google.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'drivers/mfd/axp20x-i2c.c')
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