diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:47:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:47:45 +0200 |
| commit | 93776a8ec746cf9d32c36e5a5b23d28d8be28826 (patch) | |
| tree | 6c472ae9f709246ee5268e1d71559d07839fb965 /fs/binfmt_elf_fdpic.c | |
| parent | 34886c8bc590f078d4c0b88f50d061326639198d (diff) | |
| parent | d508afb437daee7cf07da085b635c44a4ebf9b38 (diff) | |
Merge branch 'linus' into tracing/core
Merge reason: update to upstream tracing facilities
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/binfmt_elf_fdpic.c')
| -rw-r--r-- | fs/binfmt_elf_fdpic.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c index f3e72c5c19f..70cfc4b84ae 100644 --- a/fs/binfmt_elf_fdpic.c +++ b/fs/binfmt_elf_fdpic.c @@ -972,9 +972,12 @@ static int elf_fdpic_map_file_constdisp_on_uclinux( params->elfhdr_addr = seg->addr; /* clear any space allocated but not loaded */ - if (phdr->p_filesz < phdr->p_memsz) - clear_user((void *) (seg->addr + phdr->p_filesz), - phdr->p_memsz - phdr->p_filesz); + if (phdr->p_filesz < phdr->p_memsz) { + ret = clear_user((void *) (seg->addr + phdr->p_filesz), + phdr->p_memsz - phdr->p_filesz); + if (ret) + return ret; + } if (mm) { if (phdr->p_flags & PF_X) { @@ -1014,7 +1017,7 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params, struct elf32_fdpic_loadseg *seg; struct elf32_phdr *phdr; unsigned long load_addr, delta_vaddr; - int loop, dvset; + int loop, dvset, ret; load_addr = params->load_addr; delta_vaddr = 0; @@ -1114,7 +1117,9 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params, * PT_LOAD */ if (prot & PROT_WRITE && disp > 0) { kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr, disp); - clear_user((void __user *) maddr, disp); + ret = clear_user((void __user *) maddr, disp); + if (ret) + return ret; maddr += disp; } @@ -1149,15 +1154,19 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params, if (prot & PROT_WRITE && excess1 > 0) { kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr + phdr->p_filesz, excess1); - clear_user((void __user *) maddr + phdr->p_filesz, - excess1); + ret = clear_user((void __user *) maddr + phdr->p_filesz, + excess1); + if (ret) + return ret; } #else if (excess > 0) { kdebug("clear[%d] ad=%lx sz=%lx", loop, maddr + phdr->p_filesz, excess); - clear_user((void *) maddr + phdr->p_filesz, excess); + ret = clear_user((void *) maddr + phdr->p_filesz, excess); + if (ret) + return ret; } #endif |