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Ard Biesheuvel 464fb126d9 efi/libstub/file: Merge file name buffers to reduce stack usage 
Arnd reports that commit

  9302c1bb8e ("efi/libstub: Rewrite file I/O routine")

reworks the file I/O routines in a way that triggers the following
warning:

  drivers/firmware/efi/libstub/file.c:240:1: warning: the frame size
            of 1200 bytes is larger than 1024 bytes [-Wframe-larger-than=]

We can work around this issue dropping an instance of efi_char16_t[256]
from the stack frame, and reusing the 'filename' field of the file info
struct that we use to obtain file information from EFI (which contains
the file name even though we already know it since we used it to open
the file in the first place)

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200409130434.6736-8-ardb@kernel.org
 		2020-04-14 08:32:15 +02:00
..
arm_scmi firmware: arm_scmi/perf: Replace zero-length array with flexible-array member 2020-02-20 17:12:24 +00:00
broadcom ioremap changes for 5.6 2020-01-27 13:03:00 -08:00
efi efi/libstub/file: Merge file name buffers to reduce stack usage 2020-04-14 08:32:15 +02:00
google firmware: google: Probe for a GSMI handler in firmware 2020-01-14 21:46:48 +01:00
imx ARM: driver updates 2020-04-03 15:05:35 -07:00
meson firmware: meson_sm: Add secure power domain support 2020-02-14 11:37:34 -08:00
psci firmware: psci: Replace cpu_up/down() with add/remove_cpu() 2020-03-25 12:59:37 +01:00
tegra firmware: tegra: Fix a typo in Kconfig 2020-02-17 08:54:09 +01:00
xilinx ARM: SoC updates 2020-04-03 15:02:35 -07:00
Kconfig firmware: intel_stratix10_service: add depend on agilex 2020-03-18 12:24:18 +01:00
Makefile firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
arm_scpi.c firmware: arm_scpi: Replace zero-length array with flexible-array member 2020-02-20 17:13:59 +00:00
arm_sdei.c firmware: arm_sdei: clean up sdei_event_create() 2020-02-27 17:14:18 +00:00
dmi-id.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191 2019-05-30 11:29:21 -07:00
dmi-sysfs.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dmi_scan.c firmware: dmi: Add macro SMBIOS_ENTRY_POINT_SCAN_START 2020-03-23 15:44:04 +01:00
edd.c edd: Use scnprintf() for avoiding potential buffer overflow 2020-04-02 20:42:29 +02:00
iscsi_ibft.c iscsi_ibft: Don't limits Targets and NICs to two 2020-01-12 13:16:04 -05:00
iscsi_ibft_find.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 287 2019-06-05 17:36:37 +02:00
memmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 287 2019-06-05 17:36:37 +02:00
pcdp.c efi/ia64: Move HCDP and MPS table handling into IA64 arch code 2020-02-23 21:59:42 +01:00
pcdp.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
qcom_scm-legacy.c firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qcom_scm-smc.c firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qcom_scm.c firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qcom_scm.h firmware: qcom_scm: Dynamically support SMCCC and legacy conventions 2020-01-07 22:14:43 -08:00
qemu_fw_cfg.c media: headers: fix linux/mod_devicetable.h inclusions 2018-08-02 18:30:54 -04:00
raspberrypi.c firmware: raspberrypi: register clk device 2019-06-25 16:04:26 -07:00
scpi_pm_domain.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201 2019-05-30 11:29:52 -07:00
stratix10-rsu.c firmware: Fix incompatible function behavior for RSU driver 2019-11-14 13:11:32 +08:00
stratix10-svc.c firmware: stratix10-svc: add the compatible value for intel agilex 2020-03-18 12:24:18 +01:00
ti_sci.c firmware: ti_sci: Allow for device shared and exclusive requests 2019-09-04 20:44:33 +02:00
ti_sci.h ARM: SoC-related driver updates 2019-07-19 17:13:56 -07:00
trusted_foundations.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
turris-mox-rwtm.c firmware: turris-mox-rwtm: small white space cleanup 2020-01-08 10:35:23 +01:00