tmpfs: fix SEEK_DATA/SEEK_HOLE regression

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / shmem.c

diff --git a/mm/shmem.c b/mm/shmem.c
index a87990c..8335dbd 100644 (file)
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1798,7 +1798,8 @@ static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)
                }
        }
 
-       offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE);
+       if (offset >= 0)
+               offset = vfs_setpos(file, offset, MAX_LFS_FILESIZE);
        mutex_unlock(&inode->i_mutex);
        return offset;
 }