diff options
| author | cinap_lenrek <cinap_lenrek@centraldogma> | 2011-12-14 00:22:46 +0100 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@centraldogma> | 2011-12-14 00:22:46 +0100 |
| commit | 9310f981b0a0c1b854d86d5b0e59bb90eb4beedc (patch) | |
| tree | 3ab3606a824876bcff236c37a3197cec4515f963 /sys/src/9/pc/devfloppy.c | |
| parent | 861713765bd5abf661fd11d33dbb0bc90a7a2e23 (diff) | |
kernel: xalloc error handling
Diffstat (limited to 'sys/src/9/pc/devfloppy.c')
| -rw-r--r-- | sys/src/9/pc/devfloppy.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sys/src/9/pc/devfloppy.c b/sys/src/9/pc/devfloppy.c index 00323073e..9ff866529 100644 --- a/sys/src/9/pc/devfloppy.c +++ b/sys/src/9/pc/devfloppy.c @@ -181,17 +181,25 @@ floppyreset(void) } /* - * Should check if this fails. Can do so - * if there is no space <= 16MB for the DMA + * Can fail if there is no space <= 16MB for the DMA * bounce buffer. */ - dmainit(DMAchan, maxtsize); + if(dmainit(DMAchan, maxtsize)){ + print("floppy: dmainit failed\n"); + fl.ndrive = 0; + return; + } /* * allocate the drive storage */ fl.d = xalloc(fl.ndrive*sizeof(FDrive)); fl.selected = fl.d; + if(fl.d == nil){ + print("floppy: can't allocate memory\n"); + fl.ndrive = 0; + return; + } /* * stop the motors |