forked from Minki/linux
vma_map: use proper pointer types
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
cc4191dc1d
commit
683113a33d
@ -92,7 +92,7 @@ vma_map_add(struct vma_to_fileoffset_map *map, unsigned int vma,
|
||||
* A pointer to the first vma_map in the generated list
|
||||
* of vma_maps is returned. */
|
||||
struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
unsigned long spu_elf_start)
|
||||
unsigned long __spu_elf_start)
|
||||
{
|
||||
static const unsigned char expected[EI_PAD] = {
|
||||
[EI_MAG0] = ELFMAG0,
|
||||
@ -107,9 +107,11 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
|
||||
int grd_val;
|
||||
struct vma_to_fileoffset_map *map = NULL;
|
||||
void __user *spu_elf_start = (void __user *)__spu_elf_start;
|
||||
struct spu_overlay_info ovly;
|
||||
unsigned int overlay_tbl_offset = -1;
|
||||
unsigned long phdr_start, shdr_start;
|
||||
Elf32_Phdr __user *phdr_start;
|
||||
Elf32_Shdr __user *shdr_start;
|
||||
Elf32_Ehdr ehdr;
|
||||
Elf32_Phdr phdr;
|
||||
Elf32_Shdr shdr, shdr_str;
|
||||
@ -121,12 +123,12 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
unsigned int ovly_buf_table_sym = 0;
|
||||
unsigned int ovly_table_end_sym = 0;
|
||||
unsigned int ovly_buf_table_end_sym = 0;
|
||||
unsigned long ovly_table;
|
||||
struct spu_overlay_info __user *ovly_table;
|
||||
unsigned int n_ovlys;
|
||||
|
||||
/* Get and validate ELF header. */
|
||||
|
||||
if (copy_from_user(&ehdr, (void *) spu_elf_start, sizeof (ehdr)))
|
||||
if (copy_from_user(&ehdr, spu_elf_start, sizeof (ehdr)))
|
||||
goto fail;
|
||||
|
||||
if (memcmp(ehdr.e_ident, expected, EI_PAD) != 0) {
|
||||
@ -152,9 +154,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
|
||||
/* Traverse program headers. */
|
||||
for (i = 0; i < ehdr.e_phnum; i++) {
|
||||
if (copy_from_user(&phdr,
|
||||
(void *) (phdr_start + i * sizeof(phdr)),
|
||||
sizeof(phdr)))
|
||||
if (copy_from_user(&phdr, phdr_start + i, sizeof(phdr)))
|
||||
goto fail;
|
||||
|
||||
if (phdr.p_type != PT_LOAD)
|
||||
@ -171,9 +171,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
pr_debug("SPU_PROF: Created non-overlay maps\n");
|
||||
/* Traverse section table and search for overlay-related symbols. */
|
||||
for (i = 0; i < ehdr.e_shnum; i++) {
|
||||
if (copy_from_user(&shdr,
|
||||
(void *) (shdr_start + i * sizeof(shdr)),
|
||||
sizeof(shdr)))
|
||||
if (copy_from_user(&shdr, shdr_start + i, sizeof(shdr)))
|
||||
goto fail;
|
||||
|
||||
if (shdr.sh_type != SHT_SYMTAB)
|
||||
@ -182,8 +180,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
continue;
|
||||
|
||||
if (copy_from_user(&shdr_str,
|
||||
(void *) (shdr_start + shdr.sh_link *
|
||||
sizeof(shdr)),
|
||||
shdr_start + shdr.sh_link,
|
||||
sizeof(shdr)))
|
||||
goto fail;
|
||||
|
||||
@ -191,15 +188,15 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
goto fail;;
|
||||
|
||||
for (j = 0; j < shdr.sh_size / sizeof (sym); j++) {
|
||||
if (copy_from_user(&sym, (void *) (spu_elf_start +
|
||||
shdr.sh_offset + j *
|
||||
sizeof (sym)),
|
||||
if (copy_from_user(&sym, spu_elf_start +
|
||||
shdr.sh_offset +
|
||||
j * sizeof (sym),
|
||||
sizeof (sym)))
|
||||
goto fail;
|
||||
|
||||
if (copy_from_user(name, (void *)
|
||||
(spu_elf_start + shdr_str.sh_offset +
|
||||
sym.st_name),
|
||||
if (copy_from_user(name,
|
||||
spu_elf_start + shdr_str.sh_offset +
|
||||
sym.st_name,
|
||||
20))
|
||||
goto fail;
|
||||
|
||||
@ -245,9 +242,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
|
||||
|
||||
/* Traverse overlay table. */
|
||||
for (i = 0; i < n_ovlys; i++) {
|
||||
if (copy_from_user(&ovly, (void *)
|
||||
(ovly_table + i * sizeof (ovly)),
|
||||
sizeof (ovly)))
|
||||
if (copy_from_user(&ovly, ovly_table + i, sizeof (ovly)))
|
||||
goto fail;
|
||||
|
||||
/* The ovly.vma/size/offset arguments are analogous to the same
|
||||
|
Loading…
Reference in New Issue
Block a user