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[PATCH] Fix a bug in scsi_get_command

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scsi_get_command() attempts to write into a structure that may not have
been successfully allocated.  Move this write inside the if statement that
ensures we won't panic the kernel with a NULL pointer dereference.

Signed-off-by: Matthew Dobson <colpatch@us.ibm.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matthew Dobson 2005-11-21 21:32:29 -08:00 committed by Linus Torvalds
parent e738cf6d03
commit 79e448bf2d
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/scsi.c
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@ -265,10 +265,10 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, gfp_t gfp_mask)
spin_lock_irqsave(&dev->list_lock, flags);
list_add_tail(&cmd->list, &dev->cmd_list);
spin_unlock_irqrestore(&dev->list_lock, flags);
cmd->jiffies_at_alloc = jiffies;
} else
put_device(&dev->sdev_gendev);
cmd->jiffies_at_alloc = jiffies;
return cmd;
}
EXPORT_SYMBOL(scsi_get_command);