coredump: get rid of coredump_params->written
cprm->written is redundant with cprm->file->f_pos, so use that instead.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 7d914c6..f5ce8f4 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2273,7 +2273,7 @@
goto end_coredump;
/* Align to page */
- if (!dump_skip(cprm, dataoff - cprm->written))
+ if (!dump_skip(cprm, dataoff - cprm->file->f_pos))
goto end_coredump;
for (i = 0, vma = first_vma(current, gate_vma); vma != NULL;
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index b1adb92..8cfde24 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1787,7 +1787,7 @@
goto end_coredump;
}
- if (!dump_skip(cprm, dataoff - cprm->written))
+ if (!dump_skip(cprm, dataoff - cprm->file->f_pos))
goto end_coredump;
if (!elf_fdpic_dump_segments(cprm))
diff --git a/fs/coredump.c b/fs/coredump.c
index 47c32c3..9db0c51 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -782,7 +782,7 @@
struct file *file = cprm->file;
loff_t pos = file->f_pos;
ssize_t n;
- if (cprm->written + nr > cprm->limit)
+ if (pos + nr > cprm->limit)
return 0;
while (nr) {
if (dump_interrupted())
@@ -791,7 +791,6 @@
if (n <= 0)
return 0;
file->f_pos = pos;
- cprm->written += n;
nr -= n;
}
return 1;
@@ -803,12 +802,11 @@
static char zeroes[PAGE_SIZE];
struct file *file = cprm->file;
if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
- if (cprm->written + nr > cprm->limit)
+ if (file->f_pos + nr > cprm->limit)
return 0;
if (dump_interrupted() ||
file->f_op->llseek(file, nr, SEEK_CUR) < 0)
return 0;
- cprm->written += nr;
return 1;
} else {
while (nr > PAGE_SIZE) {
@@ -823,7 +821,7 @@
int dump_align(struct coredump_params *cprm, int align)
{
- unsigned mod = cprm->written & (align - 1);
+ unsigned mod = cprm->file->f_pos & (align - 1);
if (align & (align - 1))
return 0;
return mod ? dump_skip(cprm, align - mod) : 1;