diff options
| author | Omar Sandoval <osandov@fb.com> | 2016-05-11 15:16:36 -0700 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-12 16:55:50 -0400 |
| commit | a00839395103d5e2d132a6c4a9680256580ed3d1 (patch) | |
| tree | f45b3fdcdfcf65d722d3cf083527f876ebd1ea0d /fs | |
| parent | 88ae4ab9802eaa8e400e611f85883143d89d6b61 (diff) | |
| download | linux-a00839395103d5e2d132a6c4a9680256580ed3d1.tar.bz2 | |
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/binfmt_elf.c | 2 | ||||
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 2 | ||||
| -rw-r--r-- | fs/coredump.c | 8 |
3 files changed, 5 insertions, 7 deletions
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 7d914c67a9d0..f5ce8f4e00b0 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2273,7 +2273,7 @@ static int elf_core_dump(struct coredump_params *cprm) 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 b1adb92e69de..8cfde2482468 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -1787,7 +1787,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm) 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 47c32c3bfa1d..9db0c514438e 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -782,7 +782,7 @@ int dump_emit(struct coredump_params *cprm, const void *addr, int nr) 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 @@ int dump_emit(struct coredump_params *cprm, const void *addr, int nr) if (n <= 0) return 0; file->f_pos = pos; - cprm->written += n; nr -= n; } return 1; @@ -803,12 +802,11 @@ int dump_skip(struct coredump_params *cprm, size_t nr) 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 @@ EXPORT_SYMBOL(dump_skip); 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; |