# git gc # git rev-parse -q --verify 0f33b1df3b9e625660d0e04b19eba54f2789a05a^{commit} 0f33b1df3b9e625660d0e04b19eba54f2789a05a already have revision, skipping fetch # git checkout -q -f -B kisskb 0f33b1df3b9e625660d0e04b19eba54f2789a05a # git clean -qxdf # < git log -1 # commit 0f33b1df3b9e625660d0e04b19eba54f2789a05a # Author: Arnd Bergmann # Date: Thu Apr 30 23:30:46 2020 +0200 # # ath10k: fix gcc-10 zero-length-bounds warnings # # gcc-10 started warning about out-of-bounds access for zero-length # arrays: # # In file included from drivers/net/wireless/ath/ath10k/core.h:18, # from drivers/net/wireless/ath/ath10k/htt_rx.c:8: # drivers/net/wireless/ath/ath10k/htt_rx.c: In function 'ath10k_htt_rx_tx_fetch_ind': # drivers/net/wireless/ath/ath10k/htt.h:1683:17: warning: array subscript 65535 is outside the bounds of an interior zero-length array 'struct htt_tx_fetch_record[0]' [-Wzero-length-bounds] # 1683 | return (void *)&ind->records[le16_to_cpu(ind->num_records)]; # | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # drivers/net/wireless/ath/ath10k/htt.h:1676:29: note: while referencing 'records' # 1676 | struct htt_tx_fetch_record records[0]; # | ^~~~~~~ # # The structure was already converted to have a flexible-array member in # the past, but there are two zero-length members in the end and only # one of them can be a flexible-array member. # # Swap the two around to avoid the warning, as 'resp_ids' is not accessed # in a way that causes a warning. # # Fixes: 3ba225b506a2 ("treewide: Replace zero-length array with flexible-array member") # Fixes: 22e6b3bc5d96 ("ath10k: add new htt definitions") # Signed-off-by: Arnd Bergmann # Signed-off-by: Gustavo A. R. Silva # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux-ld --version # < git log --format=%s --max-count=1 0f33b1df3b9e625660d0e04b19eba54f2789a05a # < make -s -j 24 ARCH=ia64 O=/kisskb/build/gustavoars_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- defconfig # < make -s -j 24 ARCH=ia64 O=/kisskb/build/gustavoars_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- help # make -s -j 24 ARCH=ia64 O=/kisskb/build/gustavoars_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- olddefconfig # make -s -j 24 ARCH=ia64 O=/kisskb/build/gustavoars_ia64-defconfig_ia64-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/ia64-linux/bin/ia64-linux- :1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] /kisskb/src/kernel/futex.c: In function 'do_futex': /kisskb/src/kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] return oldval == cmparg; ^ /kisskb/src/kernel/futex.c:1652:6: note: 'oldval' was declared here int oldval, ret; ^ In file included from /kisskb/src/arch/ia64/include/uapi/asm/intrinsics.h:22:0, from /kisskb/src/arch/ia64/include/asm/intrinsics.h:11, from /kisskb/src/arch/ia64/include/asm/bitops.h:19, from /kisskb/src/include/linux/bitops.h:29, from /kisskb/src/include/linux/kernel.h:12, from /kisskb/src/include/linux/list.h:9, from /kisskb/src/include/linux/preempt.h:11, from /kisskb/src/include/linux/spinlock.h:51, from /kisskb/src/include/linux/seqlock.h:36, from /kisskb/src/include/linux/time.h:6, from /kisskb/src/fs/nfs/read.c:11: /kisskb/src/fs/nfs/read.c: In function 'nfs_read_completion': /kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)))) ^ /kisskb/src/fs/nfs/read.c:196:5: note: in expansion of macro 'xchg' xchg(&nfs_req_openctx(req)->error, error); ^ /kisskb/src/fs/nfs/read.c: In function 'nfs_readpage': /kisskb/src/arch/ia64/include/uapi/asm/cmpxchg.h:57:2: warning: value computed is not used [-Wunused-value] ((__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)))) ^ /kisskb/src/fs/nfs/read.c:353:2: note: in expansion of macro 'xchg' xchg(&ctx->error, 0); ^ /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_mst_dsc_aux_for_port': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: missing braces around initializer [-Wmissing-braces] struct drm_dp_desc desc = { 0 }; ^ /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] No errors detected in 22168 functions. Completed OK # rm -rf /kisskb/build/gustavoars_ia64-defconfig_ia64-gcc4.9 # Build took: 0:07:11.957699