Buildresult: gustavoars/versatile_defconfig/arm-gcc4.9 built on May 1 2020, 10:00

kisskb

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Status:	OK
Date/Time:	May 1 2020, 10:00
Duration:	0:00:57.468211
Builder:	blade4b
Revision:	ath10k: fix gcc-10 zero-length-bounds warnings (`f7e2b2478af237b3e88abab3ee0e2b163c624a68)`
Target:	gustavoars/versatile_defconfig/arm-gcc4.9
Branch:	gustavoars
Compiler:	arm-gcc4.9 (arm-linux-gnueabi-gcc (GCC) 4.9.4 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	versatile_defconfig (download)
Log:	Download original Possible warnings (3) kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized] drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: missing braces around initializer [-Wmissing-braces] drivers/gpu/drm/drm_dp_mst_topology.c:5497:9: warning: (near initialization for 'desc.ident') [-Wmissing-braces] Full Log # git rev-parse -q --verify f7e2b2478af237b3e88abab3ee0e2b163c624a68^{commit} f7e2b2478af237b3e88abab3ee0e2b163c624a68 already have revision, skipping fetch # git checkout -q -f -B kisskb f7e2b2478af237b3e88abab3ee0e2b163c624a68 # git clean -qxdf # < git log -1 # commit f7e2b2478af237b3e88abab3ee0e2b163c624a68 # Author: Arnd Bergmann <arnd@arndb.de> # 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 <arnd@arndb.de> # Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-gcc --version # < /opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld --version # < git log --format=%s --max-count=1 f7e2b2478af237b3e88abab3ee0e2b163c624a68 # < make -s -j 24 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- versatile_defconfig # < make -s -j 24 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- help # make -s -j 24 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- olddefconfig # make -s -j 24 ARCH=arm O=/kisskb/build/gustavoars_versatile_defconfig_arm-gcc4.9 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-4.9.4-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- /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; ^ /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] Completed OK # rm -rf /kisskb/build/gustavoars_versatile_defconfig_arm-gcc4.9 # Build took: 0:00:57.468211

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