Kees Cook 63a0895d96 compiler: Remove uninitialized_var() macro ... 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 recommended[2] by[3] Linus[4], remove the macro. With the recent change to disable -Wmaybe-uninitialized in v5.7 in commit 78a5255ffb ("Stop the ad-hoc games with -Wno-maybe-initialized"), this is likely the best time to make this treewide change. [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/ Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Reviewed-by: Bart van Assche <bvanassche@acm.org> Reviewed-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Kees Cook <keescook@chromium.org>		2020-07-16 12:35:31 -07:00
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bug.h
compiler.h	tools/virtio: define aligned attribute	2020-04-17 06:05:29 -04:00
device.h
dma-mapping.h	tools/virtio: more stubs	2019-10-11 09:27:27 -04:00
err.h
export.h
hrtimer.h
irqreturn.h
kernel.h	compiler: Remove uninitialized_var() macro	2020-07-16 12:35:31 -07:00
kmemleak.h
module.h
printk.h
ratelimit.h
scatterlist.h	sg: remove ->sg_magic member	2018-06-29 08:48:06 -06:00
slab.h
thread_info.h
uaccess.h
uio.h
virtio.h	tools/virtio: Use tools/include/list.h instead of stubs	2020-06-22 12:34:22 -04:00
virtio_byteorder.h
virtio_config.h
virtio_ring.h
vringh.h