From 5f040b88294225eab04625274bc6aa3dc68e710d Mon Sep 17 00:00:00 2001 From: Gedare Bloom Date: Thu, 5 Sep 2013 14:21:32 -0400 Subject: sparse-disk: check return value from semaphore_obtain/release In case obtain/release is unsuccessful, cause a fatal error. --- cpukit/libblock/src/sparse-disk.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/cpukit/libblock/src/sparse-disk.c b/cpukit/libblock/src/sparse-disk.c index 987ab6d806..ab6a25d53a 100644 --- a/cpukit/libblock/src/sparse-disk.c +++ b/cpukit/libblock/src/sparse-disk.c @@ -236,8 +236,12 @@ static int sparse_disk_read_write( uint8_t *buff; size_t buff_size; unsigned int bytes_handled; + rtems_status_code sc; - rtems_semaphore_obtain( sparse_disk->mutex, RTEMS_WAIT, RTEMS_NO_TIMEOUT ); + sc = rtems_semaphore_obtain(sparse_disk->mutex, RTEMS_WAIT, RTEMS_NO_TIMEOUT); + if (sc != RTEMS_SUCCESSFUL) { + rtems_fatal_error_occurred( 0xdeadbeef ); + } for ( req_buffer = 0; ( 0 <= rv ) && ( req_buffer < req->bufnum ); @@ -267,7 +271,10 @@ static int sparse_disk_read_write( } } - rtems_semaphore_release( sparse_disk->mutex ); + sc = rtems_semaphore_release( sparse_disk->mutex ); + if (sc != RTEMS_SUCCESSFUL) { + rtems_fatal_error_occurred( 0xdeadbeef ); + } if ( 0 > rv ) rtems_blkdev_request_done( req, RTEMS_IO_ERROR ); -- cgit v1.2.3