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sparse-disk: check return value from semaphore_obtain/release

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In case obtain/release is unsuccessful, cause a fatal error.
This commit is contained in:
Gedare Bloom
2013-09-05 14:21:32 -04:00
parent 97ae1eeb38
commit 5f040b8829
1 changed files with 9 additions and 2 deletions
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11
cpukit/libblock/src/sparse-disk.c
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@@ -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 );