vfs: do_last(): only return EISDIR for O_CREAT

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / binfmt_flat.c

diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 024d20e..178cb70 100644 (file)
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -542,10 +542,8 @@ static int load_flat_file(struct linux_binprm * bprm,
                 */
                DBG_FLT("BINFMT_FLAT: ROM mapping of file (we hope)\n");
 
-               down_write(&current->mm->mmap_sem);
-               textpos = do_mmap(bprm->file, 0, text_len, PROT_READ|PROT_EXEC,
+               textpos = vm_mmap(bprm->file, 0, text_len, PROT_READ|PROT_EXEC,
                                  MAP_PRIVATE|MAP_EXECUTABLE, 0);
-               up_write(&current->mm->mmap_sem);
                if (!textpos || IS_ERR_VALUE(textpos)) {
                        if (!textpos)
                                textpos = (unsigned long) -ENOMEM;
@@ -556,17 +554,15 @@ static int load_flat_file(struct linux_binprm * bprm,
 
                len = data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long);
                len = PAGE_ALIGN(len);
-               down_write(&current->mm->mmap_sem);
-               realdatastart = do_mmap(0, 0, len,
+               realdatastart = vm_mmap(0, 0, len,
                        PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE, 0);
-               up_write(&current->mm->mmap_sem);
 
                if (realdatastart == 0 || IS_ERR_VALUE(realdatastart)) {
                        if (!realdatastart)
                                realdatastart = (unsigned long) -ENOMEM;
                        printk("Unable to allocate RAM for process data, errno %d\n",
                                        (int)-realdatastart);
-                       do_munmap(current->mm, textpos, text_len);
+                       vm_munmap(textpos, text_len);
                        ret = realdatastart;
                        goto err;
                }
@@ -590,8 +586,8 @@ static int load_flat_file(struct linux_binprm * bprm,
                }
                if (IS_ERR_VALUE(result)) {
                        printk("Unable to read data+bss, errno %d\n", (int)-result);
-                       do_munmap(current->mm, textpos, text_len);
-                       do_munmap(current->mm, realdatastart, len);
+                       vm_munmap(textpos, text_len);
+                       vm_munmap(realdatastart, len);
                        ret = result;
                        goto err;
                }
@@ -603,10 +599,8 @@ static int load_flat_file(struct linux_binprm * bprm,
 
                len = text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long);
                len = PAGE_ALIGN(len);
-               down_write(&current->mm->mmap_sem);
-               textpos = do_mmap(0, 0, len,
+               textpos = vm_mmap(0, 0, len,
                        PROT_READ | PROT_EXEC | PROT_WRITE, MAP_PRIVATE, 0);
-               up_write(&current->mm->mmap_sem);
 
                if (!textpos || IS_ERR_VALUE(textpos)) {
                        if (!textpos)
@@ -660,7 +654,7 @@ static int load_flat_file(struct linux_binprm * bprm,
                }
                if (IS_ERR_VALUE(result)) {
                        printk("Unable to read code+data+bss, errno %d\n",(int)-result);
-                       do_munmap(current->mm, textpos, text_len + data_len + extra +
+                       vm_munmap(textpos, text_len + data_len + extra +
                                MAX_SHARED_LIBS * sizeof(unsigned long));
                        ret = result;
                        goto err;