X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fnommu.c;h=23fb033e596d40e3d2bea57de77fb1e97bd87501;hb=6b1b60f41eef3ba7b188fd72f1d6de478aafd93c;hp=6a2a8aada40163c1653e8612ab29a4602e41d79c;hpb=8d1413b28033c49c7f1a4d320e815d7a5531acee;p=linux-2.6

diff --git a/mm/nommu.c b/mm/nommu.c
index 6a2a8aada4..23fb033e59 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -523,7 +523,7 @@ static int validate_mmap_request(struct file *file,
 		 */
 		mapping = file->f_mapping;
 		if (!mapping)
-			mapping = file->f_dentry->d_inode->i_mapping;
+			mapping = file->f_path.dentry->d_inode->i_mapping;
 
 		capabilities = 0;
 		if (mapping && mapping->backing_dev_info)
@@ -532,7 +532,7 @@ static int validate_mmap_request(struct file *file,
 		if (!capabilities) {
 			/* no explicit capabilities set, so assume some
 			 * defaults */
-			switch (file->f_dentry->d_inode->i_mode & S_IFMT) {
+			switch (file->f_path.dentry->d_inode->i_mode & S_IFMT) {
 			case S_IFREG:
 			case S_IFBLK:
 				capabilities = BDI_CAP_MAP_COPY;
@@ -563,11 +563,11 @@ static int validate_mmap_request(struct file *file,
 			    !(file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
-			if (IS_APPEND(file->f_dentry->d_inode) &&
+			if (IS_APPEND(file->f_path.dentry->d_inode) &&
 			    (file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
-			if (locks_verify_locked(file->f_dentry->d_inode))
+			if (locks_verify_locked(file->f_path.dentry->d_inode))
 				return -EAGAIN;
 
 			if (!(capabilities & BDI_CAP_MAP_DIRECT))
@@ -598,7 +598,7 @@ static int validate_mmap_request(struct file *file,
 
 		/* handle executable mappings and implied executable
 		 * mappings */
-		if (file->f_vfsmnt->mnt_flags & MNT_NOEXEC) {
+		if (file->f_path.mnt->mnt_flags & MNT_NOEXEC) {
 			if (prot & PROT_EXEC)
 				return -EPERM;
 		}
@@ -808,10 +808,9 @@ unsigned long do_mmap_pgoff(struct file *file,
 	vm_flags = determine_vm_flags(file, prot, flags, capabilities);
 
 	/* we're going to need to record the mapping if it works */
-	vml = kmalloc(sizeof(struct vm_list_struct), GFP_KERNEL);
+	vml = kzalloc(sizeof(struct vm_list_struct), GFP_KERNEL);
 	if (!vml)
 		goto error_getting_vml;
-	memset(vml, 0, sizeof(*vml));
 
 	down_write(&nommu_vma_sem);
 
@@ -834,7 +833,7 @@ unsigned long do_mmap_pgoff(struct file *file,
 				continue;
 
 			/* search for overlapping mappings on the same file */
-			if (vma->vm_file->f_dentry->d_inode != file->f_dentry->d_inode)
+			if (vma->vm_file->f_path.dentry->d_inode != file->f_path.dentry->d_inode)
 				continue;
 
 			if (vma->vm_pgoff >= pgoff + pglen)
@@ -887,11 +886,10 @@ unsigned long do_mmap_pgoff(struct file *file,
 	}
 
 	/* we're going to need a VMA struct as well */
-	vma = kmalloc(sizeof(struct vm_area_struct), GFP_KERNEL);
+	vma = kzalloc(sizeof(struct vm_area_struct), GFP_KERNEL);
 	if (!vma)
 		goto error_getting_vma;
 
-	memset(vma, 0, sizeof(*vma));
 	INIT_LIST_HEAD(&vma->anon_vma_node);
 	atomic_set(&vma->vm_usage, 1);
 	if (file)