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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-10-05 23:50:15 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-11-09 06:16:23 +0100 |
| commit | aa3e7eaf0a0f06edd2b733e84e7e8ffe108e8786 (patch) | |
| tree | a4adeb88d0b1ae710a4113e55db7064895a3e70d | |
| parent | switch elf_core_write_extra_phdrs() to dump_emit() (diff) | |
| download | linux-aa3e7eaf0a0f06edd2b733e84e7e8ffe108e8786.tar.xz linux-aa3e7eaf0a0f06edd2b733e84e7e8ffe108e8786.zip | |
switch elf_core_write_extra_data() to dump_emit()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/ia64/kernel/elfcore.c | 6 | ||||
| -rw-r--r-- | arch/x86/um/elfcore.c | 8 | ||||
| -rw-r--r-- | fs/binfmt_elf.c | 4 | ||||
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 4 | ||||
| -rw-r--r-- | include/linux/elfcore.h | 2 |
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 */ |