X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Fbinfmt_elf_fdpic.c;h=1a6c8e2eb1c5df6366ff409088af6501b6490e3f;hb=e2e00906a06f7e74c49ca0ca85b960f270c83d5e;hp=a4d933a51208c5bcbfdd182b2412c3b1d369c140;hpb=d5112a4f31a361409d3c57dc9d58dd69f8014bef;p=powerpc.git

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index a4d933a512..1a6c8e2eb1 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -30,7 +30,6 @@
 #include <linux/personality.h>
 #include <linux/ptrace.h>
 #include <linux/init.h>
-#include <linux/smp_lock.h>
 #include <linux/elf.h>
 #include <linux/elf-fdpic.h>
 #include <linux/elfcore.h>
@@ -179,6 +178,8 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
 	int executable_stack;
 	int retval, i;
 
+	kdebug("____ LOAD %d ____", current->pid);
+
 	memset(&exec_params, 0, sizeof(exec_params));
 	memset(&interp_params, 0, sizeof(interp_params));
 
@@ -372,7 +373,7 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
 	down_write(&current->mm->mmap_sem);
 	current->mm->start_brk = do_mmap(NULL, 0, stack_size,
 					 PROT_READ | PROT_WRITE | PROT_EXEC,
-					 MAP_PRIVATE | MAP_ANON | MAP_GROWSDOWN,
+					 MAP_PRIVATE | MAP_ANONYMOUS | MAP_GROWSDOWN,
 					 0);
 
 	if (IS_ERR_VALUE(current->mm->start_brk)) {
@@ -620,8 +621,8 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
 	p = (char __user *) current->mm->arg_start;
 	for (loop = bprm->argc; loop > 0; loop--) {
 		__put_user((elf_caddr_t) p, argv++);
-		len = strnlen_user(p, PAGE_SIZE * MAX_ARG_PAGES);
-		if (!len || len > PAGE_SIZE * MAX_ARG_PAGES)
+		len = strnlen_user(p, MAX_ARG_STRLEN);
+		if (!len || len > MAX_ARG_STRLEN)
 			return -EINVAL;
 		p += len;
 	}
@@ -632,8 +633,8 @@ static int create_elf_fdpic_tables(struct linux_binprm *bprm,
 	current->mm->env_start = (unsigned long) p;
 	for (loop = bprm->envc; loop > 0; loop--) {
 		__put_user((elf_caddr_t)(unsigned long) p, envp++);
-		len = strnlen_user(p, PAGE_SIZE * MAX_ARG_PAGES);
-		if (!len || len > PAGE_SIZE * MAX_ARG_PAGES)
+		len = strnlen_user(p, MAX_ARG_STRLEN);
+		if (!len || len > MAX_ARG_STRLEN)
 			return -EINVAL;
 		p += len;
 	}
@@ -941,8 +942,11 @@ static int elf_fdpic_map_file_constdisp_on_uclinux(
 
 		if (mm) {
 			if (phdr->p_flags & PF_X) {
-				mm->start_code = seg->addr;
-				mm->end_code = seg->addr + phdr->p_memsz;
+				if (!mm->start_code) {
+					mm->start_code = seg->addr;
+					mm->end_code = seg->addr +
+						phdr->p_memsz;
+				}
 			} else if (!mm->start_data) {
 				mm->start_data = seg->addr;
 #ifndef CONFIG_MMU
@@ -1123,8 +1127,10 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
 
 		if (mm) {
 			if (phdr->p_flags & PF_X) {
-				mm->start_code = maddr;
-				mm->end_code = maddr + phdr->p_memsz;
+				if (!mm->start_code) {
+					mm->start_code = maddr;
+					mm->end_code = maddr + phdr->p_memsz;
+				}
 			} else if (!mm->start_data) {
 				mm->start_data = maddr;
 				mm->end_data = maddr + phdr->p_memsz;
@@ -1450,8 +1456,8 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t)
  * dump the segments for an MMU process
  */
 #ifdef CONFIG_MMU
-static int elf_fdpic_dump_segments(struct file *file, struct mm_struct *mm,
-				   size_t *size, unsigned long *limit)
+static int elf_fdpic_dump_segments(struct file *file, size_t *size,
+				   unsigned long *limit)
 {
 	struct vm_area_struct *vma;
 
@@ -1473,8 +1479,8 @@ static int elf_fdpic_dump_segments(struct file *file, struct mm_struct *mm,
 				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 			}
 			else if (page == ZERO_PAGE(addr)) {
-				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 				page_cache_release(page);
+				DUMP_SEEK(file->f_pos + PAGE_SIZE);
 			}
 			else {
 				void *kaddr;
@@ -1505,8 +1511,8 @@ end_coredump:
  * dump the segments for a NOMMU process
  */
 #ifndef CONFIG_MMU
-static int elf_fdpic_dump_segments(struct file *file, struct mm_struct *mm,
-				   size_t *size, unsigned long *limit)
+static int elf_fdpic_dump_segments(struct file *file, size_t *size,
+				   unsigned long *limit)
 {
 	struct vm_list_struct *vml;