diff options
| -rw-r--r-- | arch/um/drivers/ubd_kern.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index c171d0a..101efd2 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -1194,15 +1194,16 @@ int open_ubd_file(char *file, struct openflags *openflags, int fd, err, sectorsize, asked_switch, mode = 0644; fd = os_open_file(file, *openflags, mode); - if(fd < 0){ - if((fd == -ENOENT) && (create_cow_out != NULL)) + if (fd < 0) { + if ((fd == -ENOENT) && (create_cow_out != NULL)) *create_cow_out = 1; - if(!openflags->w || - ((fd != -EROFS) && (fd != -EACCES))) return(fd); + if (!openflags->w || + ((fd != -EROFS) && (fd != -EACCES))) + return fd; openflags->w = 0; fd = os_open_file(file, *openflags, mode); - if(fd < 0) - return(fd); + if (fd < 0) + return fd; } err = os_lock_file(fd, openflags->w); @@ -1212,7 +1213,8 @@ int open_ubd_file(char *file, struct openflags *openflags, } /* Succesful return case! */ - if(backing_file_out == NULL) return(fd); + if(backing_file_out == NULL) + return(fd); err = read_cow_header(file_reader, &fd, &version, &backing_file, &mtime, &size, §orsize, &align, bitmap_offset_out); @@ -1221,7 +1223,8 @@ int open_ubd_file(char *file, struct openflags *openflags, "errno = %d\n", file, -err); goto out_close; } - if(err) return(fd); + if(err) + return(fd); asked_switch = path_requires_switch(*backing_file_out, backing_file, file); @@ -1230,24 +1233,24 @@ int open_ubd_file(char *file, struct openflags *openflags, printk("Switching backing file to '%s'\n", *backing_file_out); err = write_cow_header(file, fd, *backing_file_out, sectorsize, align, &size); - if(err){ + if (err) { printk("Switch failed, errno = %d\n", -err); goto out_close; } - } - else { + } else { *backing_file_out = backing_file; err = backing_file_mismatch(*backing_file_out, size, mtime); - if(err) goto out_close; + if (err) + goto out_close; } cow_sizes(version, size, sectorsize, align, *bitmap_offset_out, bitmap_len_out, data_offset_out); - return(fd); + return fd; out_close: os_close_file(fd); - return(err); + return err; } int create_cow_file(char *cow_file, char *backing_file, struct openflags flags, |