X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fread_write.c;h=5bc0e9234f9d7c5dd21b1e244127fece7bfa905c;hb=2da132646358c853d5caf296d079aefc69358d46;hp=3f7a1a62165f626e984de4849ce053cc8a824f65;hpb=536ea4e4198eeaa5a73fb734ea675e621609bb7e;p=linux-2.6

diff --git a/fs/read_write.c b/fs/read_write.c
index 3f7a1a6216..5bc0e9234f 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -19,7 +19,7 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
-struct file_operations generic_ro_fops = {
+const struct file_operations generic_ro_fops = {
 	.llseek		= generic_file_llseek,
 	.read		= generic_file_read,
 	.mmap		= generic_file_readonly_mmap,
@@ -202,7 +202,7 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
 		goto Einval;
 
 	inode = file->f_dentry->d_inode;
-	if (inode->i_flock && MANDATORY_LOCK(inode)) {
+	if (unlikely(inode->i_flock && MANDATORY_LOCK(inode))) {
 		int retval = locks_mandatory_area(
 			read_write == READ ? FLOCK_VERIFY_READ : FLOCK_VERIFY_WRITE,
 			inode, file, pos, count);
@@ -470,7 +470,7 @@ static ssize_t do_readv_writev(int type, struct file *file,
 	 * verify all the pointers
 	 */
 	ret = -EINVAL;
-	if ((nr_segs > UIO_MAXIOV) || (nr_segs <= 0))
+	if (nr_segs > UIO_MAXIOV)
 		goto out;
 	if (!file->f_op)
 		goto out;