---

yaml --- r: 105426 b: refs/heads/master c: be61a86 h: refs/heads/master v: v3
git-mirror · Jul 24, 2008 · 9fc0327 · 9fc0327
1 parent f6c6cdb
commit 9fc0327
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Showing 4 changed files with 12 additions and 12 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6b1ef0e60d42f2fdaec26baee8327eb156347b4f
+refs/heads/master: be61a86d7237dd80510615f38ae21d6e1e98660c
diff --git a/trunk/fs/pipe.c b/trunk/fs/pipe.c
@@ -950,7 +950,7 @@ static struct inode * get_pipe_inode(void)
 	return NULL;
 }
 
-struct file *create_write_pipe(void)
+struct file *create_write_pipe(int flags)
 {
 	int err;
 	struct inode *inode;
@@ -983,7 +983,7 @@ struct file *create_write_pipe(void)
 		goto err_dentry;
 	f->f_mapping = inode->i_mapping;
 
-	f->f_flags = O_WRONLY;
+	f->f_flags = O_WRONLY | (flags & O_NONBLOCK);
 	f->f_version = 0;
 
 	return f;
@@ -1007,7 +1007,7 @@ void free_write_pipe(struct file *f)
 	put_filp(f);
 }
 
-struct file *create_read_pipe(struct file *wrf)
+struct file *create_read_pipe(struct file *wrf, int flags)
 {
 	struct file *f = get_empty_filp();
 	if (!f)
@@ -1019,7 +1019,7 @@ struct file *create_read_pipe(struct file *wrf)
 	f->f_mapping = wrf->f_path.dentry->d_inode->i_mapping;
 
 	f->f_pos = 0;
-	f->f_flags = O_RDONLY;
+	f->f_flags = O_RDONLY | (flags & O_NONBLOCK);
 	f->f_op = &read_pipe_fops;
 	f->f_mode = FMODE_READ;
 	f->f_version = 0;
@@ -1033,13 +1033,13 @@ int do_pipe_flags(int *fd, int flags)
 	int error;
 	int fdw, fdr;
 
-	if (flags & ~O_CLOEXEC)
+	if (flags & ~(O_CLOEXEC | O_NONBLOCK))
 		return -EINVAL;
 
-	fw = create_write_pipe();
+	fw = create_write_pipe(flags);
 	if (IS_ERR(fw))
 		return PTR_ERR(fw);
-	fr = create_read_pipe(fw);
+	fr = create_read_pipe(fw, flags);
 	error = PTR_ERR(fr);
 	if (IS_ERR(fr))
 		goto err_write_pipe;

diff --git a/trunk/include/linux/fs.h b/trunk/include/linux/fs.h
@@ -1778,8 +1778,8 @@ static inline void allow_write_access(struct file *file)
 }
 extern int do_pipe(int *);
 extern int do_pipe_flags(int *, int);
-extern struct file *create_read_pipe(struct file *f);
-extern struct file *create_write_pipe(void);
+extern struct file *create_read_pipe(struct file *f, int flags);
+extern struct file *create_write_pipe(int flags);
 extern void free_write_pipe(struct file *);
 
 extern struct file *do_filp_open(int dfd, const char *pathname,

diff --git a/trunk/kernel/kmod.c b/trunk/kernel/kmod.c
@@ -417,12 +417,12 @@ int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
 {
 	struct file *f;
 
-	f = create_write_pipe();
+	f = create_write_pipe(0);
 	if (IS_ERR(f))
 		return PTR_ERR(f);
 	*filp = f;
 
-	f = create_read_pipe(f);
+	f = create_read_pipe(f, 0);
 	if (IS_ERR(f)) {
 		free_write_pipe(*filp);
 		return PTR_ERR(f);