diff options
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/coredump.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c index 725e1956115..5d9ad5a0307 100644 --- a/arch/powerpc/platforms/cell/spufs/coredump.c +++ b/arch/powerpc/platforms/cell/spufs/coredump.c @@ -169,12 +169,12 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i, struct spu_context *ctx; loff_t pos = 0; int sz, dfd, rc, total = 0; - const int bufsz = 4096; + const int bufsz = PAGE_SIZE; char *name; char fullname[80], *buf; struct elf_note en; - buf = kmalloc(bufsz, GFP_KERNEL); + buf = (void *)get_zeroed_page(GFP_KERNEL); if (!buf) return; @@ -187,9 +187,8 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i, sz = spufs_coredump_read[i].size; ctx = ctx_info->ctx; - if (!ctx) { - return; - } + if (!ctx) + goto out; sprintf(fullname, "SPU/%d/%s", dfd, name); en.n_namesz = strlen(fullname) + 1; @@ -197,23 +196,25 @@ static void spufs_arch_write_note(struct spufs_ctx_info *ctx_info, int i, en.n_type = NT_SPU; if (!spufs_dump_write(file, &en, sizeof(en))) - return; + goto out; if (!spufs_dump_write(file, fullname, en.n_namesz)) - return; + goto out; if (!spufs_dump_seek(file, roundup((unsigned long)file->f_pos, 4))) - return; + goto out; do { rc = do_coredump_read(i, ctx, buf, bufsz, &pos); if (rc > 0) { if (!spufs_dump_write(file, buf, rc)) - return; + goto out; total += rc; } } while (rc == bufsz && total < sz); spufs_dump_seek(file, roundup((unsigned long)file->f_pos - total + sz, 4)); +out: + free_page((unsigned long)buf); } static void spufs_arch_write_notes(struct file *file) |