linux-kernel - [PATCH 1/3] fs/binfmts: Add a name field to the binfmt struct

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Message-Id: <1374766845-13565-1-git-send-email-zml@linux.vnet.ibm.com>
Date:	Thu, 25 Jul 2013 08:40:43 -0700
From:	Zach Levis <zml@...ux.vnet.ibm.com>
To:	linux-fsdevel@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, viro@...iv.linux.org.uk,
	akpm@...ux-foundation.org, Zach Levis <zml@...ux.vnet.ibm.com>,
	Zach Levis <zach@...hsthings.com>
Subject: [PATCH 1/3] fs/binfmts: Add a name field to the binfmt struct

Adding the name field helps when printing error messages referring to
specific binfmts

Signed-off-by: Zach Levis <zach@...hsthings.com>
Signed-off-by: Zach Levis <zml@...ux.vnet.ibm.com>
---
 fs/binfmt_aout.c        |    1 +
 fs/binfmt_elf.c         |    1 +
 fs/binfmt_elf_fdpic.c   |    1 +
 fs/binfmt_em86.c        |    1 +
 fs/binfmt_flat.c        |    1 +
 fs/binfmt_misc.c        |    1 +
 fs/binfmt_script.c      |    1 +
 fs/binfmt_som.c         |    1 +
 include/linux/binfmts.h |    1 +
 9 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index bce8769..f6bed04 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -115,6 +115,7 @@ end_coredump:
 #endif
 
 static struct linux_binfmt aout_format = {
+	.name		= "a.out",
 	.module		= THIS_MODULE,
 	.load_binary	= load_aout_binary,
 	.load_shlib	= load_aout_library,
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index f8a0b0e..2533969 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -75,6 +75,7 @@ static int elf_core_dump(struct coredump_params *cprm);
 #define ELF_PAGEALIGN(_v) (((_v) + ELF_MIN_ALIGN - 1) & ~(ELF_MIN_ALIGN - 1))
 
 static struct linux_binfmt elf_format = {
+	.name		= "elf",
 	.module		= THIS_MODULE,
 	.load_binary	= load_elf_binary,
 	.load_shlib	= load_elf_library,
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index c166f32..6be4448 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -81,6 +81,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm);
 #endif
 
 static struct linux_binfmt elf_fdpic_format = {
+	.name		= "FDPIC ELF",
 	.module		= THIS_MODULE,
 	.load_binary	= load_elf_fdpic_binary,
 #ifdef CONFIG_ELF_CORE
diff --git a/fs/binfmt_em86.c b/fs/binfmt_em86.c
index 037a3e2..8404cdd 100644
--- a/fs/binfmt_em86.c
+++ b/fs/binfmt_em86.c
@@ -93,6 +93,7 @@ static int load_em86(struct linux_binprm *bprm)
 }
 
 static struct linux_binfmt em86_format = {
+	.name		= "em86",
 	.module		= THIS_MODULE,
 	.load_binary	= load_em86,
 };
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index d50bbe5..a7641e1 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -92,6 +92,7 @@ static int load_flat_binary(struct linux_binprm *);
 static int flat_core_dump(struct coredump_params *cprm);
 
 static struct linux_binfmt flat_format = {
+	.name		= "flat",
 	.module		= THIS_MODULE,
 	.load_binary	= load_flat_binary,
 	.core_dump	= flat_core_dump,
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 1c740e1..d74afc0 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -694,6 +694,7 @@ static struct dentry *bm_mount(struct file_system_type *fs_type,
 }
 
 static struct linux_binfmt misc_format = {
+	.name	= "misc",
 	.module = THIS_MODULE,
 	.load_binary = load_misc_binary,
 };
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
index 5027a3e..53f3c17 100644
--- a/fs/binfmt_script.c
+++ b/fs/binfmt_script.c
@@ -99,6 +99,7 @@ static int load_script(struct linux_binprm *bprm)
 }
 
 static struct linux_binfmt script_format = {
+	.name		= "script",
 	.module		= THIS_MODULE,
 	.load_binary	= load_script,
 };
diff --git a/fs/binfmt_som.c b/fs/binfmt_som.c
index 4e00ed6..1c3ccc5 100644
--- a/fs/binfmt_som.c
+++ b/fs/binfmt_som.c
@@ -53,6 +53,7 @@ static int som_core_dump(struct coredump_params *cprm);
 #define SOM_PAGEALIGN(_v) (((_v) + SOM_PAGESIZE - 1) & ~(SOM_PAGESIZE - 1))
 
 static struct linux_binfmt som_format = {
+	.name		= "SOM",
 	.module		= THIS_MODULE,
 	.load_binary	= load_som_binary,
 	.load_shlib	= load_som_library,
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 70cf138..402a74a 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -70,6 +70,7 @@ struct coredump_params {
 struct linux_binfmt {
 	struct list_head lh;
 	struct module *module;
+	const char *name;
 	int (*load_binary)(struct linux_binprm *);
 	int (*load_shlib)(struct file *);
 	int (*core_dump)(struct coredump_params *cprm);
-- 
1.7.1

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