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[PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real error codes

From Andy Lutomirski <luto@kernel.org>
Newsgroups linux.kernel
Subject [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real error codes
Date 2016-01-18 22:10 +0100
Message-ID <qSpdL-6bN-9@gated-at.bofh.it> (permalink)
References <qSp47-5SG-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Currently they return -1 on error, which will confuse callers if
they try to interpret it as a normal negative error code.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
---
 drivers/firmware/dmi_scan.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c
index 0e08e665f715..451ac04ed18d 100644
--- a/drivers/firmware/dmi_scan.c
+++ b/drivers/firmware/dmi_scan.c
@@ -144,7 +144,7 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *,
 
 	buf = dmi_early_remap(dmi_base, orig_dmi_len);
 	if (buf == NULL)
-		return -1;
+		return -ENOMEM;
 
 	dmi_decode_table(buf, decode, NULL);
 
@@ -978,11 +978,11 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *),
 	u8 *buf;
 
 	if (!dmi_available)
-		return -1;
+		return -ENOENT;
 
 	buf = dmi_remap(dmi_base, dmi_len);
 	if (buf == NULL)
-		return -1;
+		return -ENOMEM;
 
 	dmi_decode_table(buf, decode, private_data);
 
-- 
2.5.0

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Thread

[PATCH v2 0/3] dell-wmi: DMI misuse fixes Andy Lutomirski <luto@kernel.org> - 2016-01-18 22:00 +0100
  [PATCH v2 2/3] dell-wmi: Fix hotkey table size check Andy Lutomirski <luto@kernel.org> - 2016-01-18 22:10 +0100
    Re: [PATCH v2 2/3] dell-wmi: Fix hotkey table size check Jean Delvare <jdelvare@suse.de> - 2016-01-19 09:40 +0100
      Re: [PATCH v2 2/3] dell-wmi: Fix hotkey table size check Andy Lutomirski <luto@amacapital.net> - 2016-01-19 19:50 +0100
  [PATCH v2 1/3] dell-wmi: Stop storing pointers to DMI tables Andy Lutomirski <luto@kernel.org> - 2016-01-18 22:10 +0100
    Re: [PATCH v2 1/3] dell-wmi: Stop storing pointers to DMI tables Jean Delvare <jdelvare@suse.de> - 2016-01-19 09:50 +0100
    Re: [PATCH v2 1/3] dell-wmi: Stop storing pointers to DMI tables Jean Delvare <jdelvare@suse.de> - 2016-01-19 12:10 +0100
      Re: [PATCH v2 1/3] dell-wmi: Stop storing pointers to DMI tables Andy Lutomirski <luto@amacapital.net> - 2016-01-19 19:30 +0100
  [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real error codes Andy Lutomirski <luto@kernel.org> - 2016-01-18 22:10 +0100
    Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return  real error codes Jean Delvare <jdelvare@suse.de> - 2016-01-19 09:00 +0100
      Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real  error codes Pali Rohár <pali.rohar@gmail.com> - 2016-01-19 09:40 +0100
        Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real  error codes Pali Rohár <pali.rohar@gmail.com> - 2016-01-19 10:10 +0100
          Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return  real error codes Jean Delvare <jdelvare@suse.de> - 2016-01-19 10:50 +0100
            Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return real  error codes Andy Lutomirski <luto@amacapital.net> - 2016-01-20 01:00 +0100
        Re: [PATCH v2 3/3] dmi: Make dmi_walk and dmi_walk_early return  real error codes Jean Delvare <jdelvare@suse.de> - 2016-01-19 10:10 +0100

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