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Code Issues Releases Activity

Don't let ata_completed() dereference a null request->dma pointer to

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print dma status after a media error.
This commit is contained in:
Peter Wemm 2008-11-27 03:37:46 +00:00
parent 7dd492e17c
commit 475a75abe5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=185357
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ata/ata-queue.c
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@ -357,7 +357,7 @@ ata_completed(void *context, int dummy)
"\6MEDIA_CHANGED\5NID_NOT_FOUND"
"\4MEDIA_CHANGE_REQEST"
"\3ABORTED\2NO_MEDIA\1ILLEGAL_LENGTH");
if ((request->flags & ATA_R_DMA) &&
if ((request->flags & ATA_R_DMA) && request->dma &&
(request->dma->status & ATA_BMSTAT_ERROR))
printf(" dma=0x%02x", request->dma->status);
if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))