[SCSI] qla2xxx: Pass in optional extended-initialization control block.

[firefly-linux-kernel-4.4.55.git] / fs / binfmt_elf_fdpic.c

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 22baf1b134934ac1634f79ac75a2432a8eee52cd..70cfc4b84ae0995a1d7c66d21ecd833a36b02e74 100644 (file)
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -168,9 +168,6 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
        struct elf_fdpic_params exec_params, interp_params;
        struct elf_phdr *phdr;
        unsigned long stack_size, entryaddr;
-#ifndef CONFIG_MMU
-       unsigned long fullsize;
-#endif
 #ifdef ELF_FDPIC_PLAT_INIT
        unsigned long dynaddr;
 #endif
@@ -390,11 +387,6 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
                goto error_kill;
        }
 
-       /* expand the stack mapping to use up the entire allocation granule */
-       fullsize = kobjsize((char *) current->mm->start_brk);
-       if (!IS_ERR_VALUE(do_mremap(current->mm->start_brk, stack_size,
-                                   fullsize, 0, 0)))
-               stack_size = fullsize;
        up_write(&current->mm->mmap_sem);
 
        current->mm->brk = current->mm->start_brk;
@@ -980,9 +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) {
@@ -1022,7 +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;
@@ -1122,7 +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;
                }
 
@@ -1157,15 +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