From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 7 Oct 2013 11:22:01 +0000 (-0400)
Subject: aout: switch to dump_emit
X-Git-Tag: firefly_0821_release~176^2~4994^2~42
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43a5d548eb5949580c1d96b9f3fa9f4c0bee0b98;p=firefly-linux-kernel-4.4.55.git

aout: switch to dump_emit

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 80361c00fb64..9e26e9e85576 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -133,14 +133,6 @@ static void set_brk(unsigned long start, unsigned long end)
 
 #include <linux/coredump.h>
 
-#define DUMP_WRITE(addr, nr)			     \
-	if (!dump_write(cprm->file, (void *)(addr), (nr))) \
-		goto end_coredump;
-
-#define DUMP_SEEK(offset)		\
-	if (!dump_seek(cprm->file, offset))	\
-		goto end_coredump;
-
 #define START_DATA(u)	(u.u_tsize << PAGE_SHIFT)
 #define START_STACK(u)	(u.start_stack)
 
@@ -192,22 +184,26 @@ static int aout_core_dump(struct coredump_params *cprm)
 
 	set_fs(KERNEL_DS);
 	/* struct user */
-	DUMP_WRITE(&dump, sizeof(dump));
+	if (!dump_emit(cprm, &dump, sizeof(dump)))
+		goto end_coredump;
 	/* Now dump all of the user data.  Include malloced stuff as well */
-	DUMP_SEEK(PAGE_SIZE - sizeof(dump));
+	if (!dump_seek(cprm->file, PAGE_SIZE - sizeof(dump)))
+		goto end_coredump;
 	/* now we start writing out the user space info */
 	set_fs(USER_DS);
 	/* Dump the data area */
 	if (dump.u_dsize != 0) {
 		dump_start = START_DATA(dump);
 		dump_size = dump.u_dsize << PAGE_SHIFT;
-		DUMP_WRITE(dump_start, dump_size);
+		if (!dump_emit(cprm, (void *)dump_start, dump_size))
+			goto end_coredump;
 	}
 	/* Now prepare to dump the stack area */
 	if (dump.u_ssize != 0) {
 		dump_start = START_STACK(dump);
 		dump_size = dump.u_ssize << PAGE_SHIFT;
-		DUMP_WRITE(dump_start, dump_size);
+		if (!dump_emit(cprm, (void *)dump_start, dump_size))
+			goto end_coredump;
 	}
 end_coredump:
 	set_fs(fs);
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index faaa819f70fa..a4f847f77234 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -45,7 +45,6 @@ static int load_aout_library(struct file*);
  */
 static int aout_core_dump(struct coredump_params *cprm)
 {
-	struct file *file = cprm->file;
 	mm_segment_t fs;
 	int has_dumped = 0;
 	void __user *dump_start;
@@ -85,7 +84,7 @@ static int aout_core_dump(struct coredump_params *cprm)
 
 	set_fs(KERNEL_DS);
 /* struct user */
-	if (!dump_write(file, &dump, sizeof(dump)))
+	if (!dump_emit(cprm, &dump, sizeof(dump)))
 		goto end_coredump;
 /* Now dump all of the user data.  Include malloced stuff as well */
 	if (!dump_seek(cprm->file, PAGE_SIZE - sizeof(dump)))
@@ -96,14 +95,14 @@ static int aout_core_dump(struct coredump_params *cprm)
 	if (dump.u_dsize != 0) {
 		dump_start = START_DATA(dump);
 		dump_size = dump.u_dsize << PAGE_SHIFT;
-		if (!dump_write(file, dump_start, dump_size))
+		if (!dump_emit(cprm, dump_start, dump_size))
 			goto end_coredump;
 	}
 /* Now prepare to dump the stack area */
 	if (dump.u_ssize != 0) {
 		dump_start = START_STACK(dump);
 		dump_size = dump.u_ssize << PAGE_SHIFT;
-		if (!dump_write(file, dump_start, dump_size))
+		if (!dump_emit(cprm, dump_start, dump_size))
 			goto end_coredump;
 	}
 end_coredump: