Buildresult: linus/arm64-allmodconfig/arm64-gcc5 built on Aug 16 2018, 18:21
kisskb
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Status:
OK
Date/Time:
Aug 16 2018, 18:21
Duration:
0:20:04.338117
Builder:
ka4
Revision:
ALSA: update dell-wmi mic-mute registration to new world order (
70b20dd7f897c6c14ab9e0d8400aed520ab5f09b)
Target:
linus/arm64-allmodconfig/arm64-gcc5
Branch:
linus
Compiler:
arm64-gcc5
(aarch64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0)
Config:
allmodconfig
(
download
)
Log:
Download original
Possible warnings (3)
drivers/bluetooth/hci_h5.c:920:22: warning: 'rtl_vnd' defined but not used [-Wunused-variable] drivers/isdn/hardware/eicon/message.c:5985:1: warning: the frame size of 2064 bytes is larger than 2048 bytes [-Wframe-larger-than=] drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: 'nvm_param.dir_type' may be used uninitialized in this function [-Wmaybe-uninitialized]
Full Log
# git rev-parse -q --verify 70b20dd7f897c6c14ab9e0d8400aed520ab5f09b^{commit} 70b20dd7f897c6c14ab9e0d8400aed520ab5f09b already have revision, skipping fetch # git checkout -q -f -B kisskb 70b20dd7f897c6c14ab9e0d8400aed520ab5f09b # git clean -qxdf # < git log -1 # commit 70b20dd7f897c6c14ab9e0d8400aed520ab5f09b # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Wed Aug 15 19:08:10 2018 -0700 # # ALSA: update dell-wmi mic-mute registration to new world order # # Commit c647f806b8c2 ("ALSA: hda - Allow multiple ADCs for mic mute LED # controls") changed the return value of the snd_hda_gen_add_micmute_led() # without actually updating the callers. # # Admittedly, almost no callers actually cared about the return value. # But one call site very much did: the Dell wmi code. It would see the # registration return zero, which _used_ to mean "failed" but now means # "success", and clear the dell_micmute_led_set_func pointer. # # End result: the successful registration would end up calling the Dell # code that thought it had all failed, and call through a NULL pointer. # # To make matters worse, it ends up being a tail-call, and with the # retpoline sequence you don't even see the caller (dell_micmute_update()) # in the stack trace, so the error ended up way less obvious than it # should have been. # # Fixes: c647f806b8c2 "ALSA: hda - Allow multiple ADCs for mic mute LED controls" # Cc: Takashi Iwai <tiwai@suse.de> # Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version # < git log --format=%s --max-count=1 70b20dd7f897c6c14ab9e0d8400aed520ab5f09b # < make -s -j 10 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- allmodconfig # make -s -j 10 ARCH=arm64 O=/kisskb/build/linus_arm64-allmodconfig_arm64 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux- arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum arch/arm64/Makefile:40: LSE atomics not supported by binutils /kisskb/src/drivers/bluetooth/hci_h5.c:920:22: warning: 'rtl_vnd' defined but not used [-Wunused-variable] static struct h5_vnd rtl_vnd = { ^ /kisskb/src/drivers/isdn/hardware/eicon/message.c: In function 'sig_ind': /kisskb/src/drivers/isdn/hardware/eicon/message.c:5985:1: warning: the frame size of 2064 bytes is larger than 2048 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c: In function 'bnxt_hwrm_nvm_req.constprop': /kisskb/src/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c:49:5: warning: 'nvm_param.dir_type' may be used uninitialized in this function [-Wmaybe-uninitialized] if (nvm_param.dir_type == BNXT_NVM_PORT_CFG) ^ Completed OK # rm -rf /kisskb/build/linus_arm64-allmodconfig_arm64 # Build took: 0:20:04.338117
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