diff options
Diffstat (limited to 'sys/i386/isa/sound/patmgr.c')
| -rw-r--r-- | sys/i386/isa/sound/patmgr.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sys/i386/isa/sound/patmgr.c b/sys/i386/isa/sound/patmgr.c index b4c4dc614359..fc201dd9c9b4 100644 --- a/sys/i386/isa/sound/patmgr.c +++ b/sys/i386/isa/sound/patmgr.c @@ -1,7 +1,7 @@ /* * sound/patmgr.c * - * The patch manager interface for the /dev/sequencer + * The patch maneger interface for the /dev/sequencer * * Copyright by Hannu Savolainen 1993 * @@ -25,7 +25,6 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * patmgr.c,v 1.7 1994/10/01 02:16:58 swallace Exp */ #define PATMGR_C @@ -132,7 +131,7 @@ pmgr_write (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) return RET_ERROR (EIO); } - COPY_FROM_USER ((caddr_t)mbox[dev], buf, 0, 4); + COPY_FROM_USER (mbox[dev], buf, 0, 4); if (*(unsigned char *) mbox[dev] == SEQ_FULLSIZE) { @@ -235,8 +234,12 @@ pmgr_inform (int dev, int event, unsigned long p1, unsigned long p2, printk (" PATMGR: Server %d mbox full. Why?\n", dev); else { - mbox[dev] = - (struct patmgr_info *) KERNEL_MALLOC (sizeof (struct patmgr_info)); + if ((mbox[dev] = + (struct patmgr_info *) KERNEL_MALLOC (sizeof (struct patmgr_info))) == NULL) + { + printk ("pmgr: Couldn't allocate memory for a message\n"); + return 0; + } mbox[dev]->key = PM_K_EVENT; mbox[dev]->command = event; |