switch elf_core_write_extra_data() to dump_emit()

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

5 files changed, 11 insertions, 13 deletions

diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c
index 798ce543da4b..04bc8fd5f893 100644
--- a/arch/ia64/kernel/elfcore.c
+++ b/arch/ia64/kernel/elfcore.c
@@ -40,8 +40,7 @@ int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
         return 1;
 }
 
-int elf_core_write_extra_data(struct file *file, size_t *size,
-                              unsigned long limit)
+int elf_core_write_extra_data(struct coredump_params *cprm)
 {
         const struct elf_phdr *const gate_phdrs =
                 (const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
@@ -52,8 +51,7 @@ int elf_core_write_extra_data(struct file *file, size_t *size,
                         void *addr = (void *)gate_phdrs[i].p_vaddr;
                         size_t memsz = PAGE_ALIGN(gate_phdrs[i].p_memsz);
 
-                        *size += memsz;
-                        if (*size > limit || !dump_write(file, addr, memsz))
+                        if (!dump_emit(cprm, addr, memsz))
                                 return 0;
                         break;
                 }
diff --git a/arch/x86/um/elfcore.c b/arch/x86/um/elfcore.c
index fc21f98efafe..7bb89a27a5e4 100644
--- a/arch/x86/um/elfcore.c
+++ b/arch/x86/um/elfcore.c
@@ -38,8 +38,7 @@ int elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset)
         return 1;
 }
 
-int elf_core_write_extra_data(struct file *file, size_t *size,
-                              unsigned long limit)
+int elf_core_write_extra_data(struct coredump_params *cprm)
 {
         if ( vsyscall_ehdr ) {
                 const struct elfhdr *const ehdrp =
@@ -52,10 +51,7 @@ int elf_core_write_extra_data(struct file *file, size_t *size,
                         if (phdrp[i].p_type == PT_LOAD) {
                                 void *addr = (void *) phdrp[i].p_vaddr;
                                 size_t filesz = phdrp[i].p_filesz;
-
-                                *size += filesz;
-                                if (*size > limit
-                                    || !dump_write(file, addr, filesz))
+                                if (!dump_emit(cprm, addr, filesz))
                                         return 0;
                         }
                 }
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 35c4886dae2d..a998b221b53a 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2196,8 +2196,10 @@ static int elf_core_dump(struct coredump_params *cprm)
                 }
         }
 
-        if (!elf_core_write_extra_data(cprm->file, &size, cprm->limit))
+        cprm->written = size;
+        if (!elf_core_write_extra_data(cprm))
                 goto end_coredump;
+        size = cprm->written;
 
         if (e_phnum == PN_XNUM) {
                 size += sizeof(*shdr4extnum);
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 44db8b92121a..77bf7e33e706 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1818,8 +1818,10 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
                                     cprm->mm_flags) < 0)
                 goto end_coredump;
 
-        if (!elf_core_write_extra_data(cprm->file, &size, cprm->limit))
+        cprm->written = size;
+        if (!elf_core_write_extra_data(cprm))
                 goto end_coredump;
+        size = cprm->written;
 
         if (e_phnum == PN_XNUM) {
                 size += sizeof(*shdr4extnum);
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index 1b92a8c40624..698d51a0eea3 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -67,7 +67,7 @@ extern Elf_Half elf_core_extra_phdrs(void);
 extern int
 elf_core_write_extra_phdrs(struct coredump_params *cprm, loff_t offset);
 extern int
-elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);
+elf_core_write_extra_data(struct coredump_params *cprm);
 extern size_t elf_core_extra_data_size(void);
 
 #endif /* _LINUX_ELFCORE_H */