diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_error.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index 26c32bc5cd34..2f4feb959bfb 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -233,6 +233,17 @@ xfs_errortag_test( { unsigned int randfactor; + /* + * To be able to use error injection anywhere, we need to ensure error + * injection mechanism is already initialized. + * + * Code paths like I/O completion can be called before the + * initialization is complete, but be able to inject errors in such + * places is still useful. + */ + if (!mp->m_errortag) + return false; + ASSERT(error_tag < XFS_ERRTAG_MAX); randfactor = mp->m_errortag[error_tag]; if (!randfactor || prandom_u32() % randfactor) |