| User: | Jiri Slaby |
| Error type: | Leaving function in locked state |
| Error type description: | Some lock is not unlocked on all paths of a function, so it is leaked |
| File location: | drivers/char/ip2/i2lib.c |
| Line in file: | 770 |
| Project: | Linux Kernel |
| Project version: | 2.6.28 |
| Tools: |
Undetermined 1
|
| Entered: | 2012-03-04 17:07:06 UTC |
740 } 741 // Updates the index, and post the need for service. When adding these to 742 // the queue of channels, we turn off the interrupt while doing so, 743 // because at interrupt level we might want to push a channel back to the 744 // end of the queue. 745 switch(type) 746 { 747 case PTYPE_INLINE: 748 pCh->Obuf_stuff = stuffIndex; // Store buffer pointer 749 write_unlock_irqrestore(&pCh->Obuf_spinlock, flags); 750 751 pB->debugInlineQueued++; 752 // Add the channel pointer to list of channels needing service (first 753 // come...), if it's not already there. 754 i2QueueNeeds(pB, pCh, NEED_INLINE); 755 break; 756 757 case PTYPE_BYPASS: 758 pCh->Cbuf_stuff = stuffIndex; // Store buffer pointer 759 write_unlock_irqrestore(&pCh->Cbuf_spinlock, flags); 760 761 pB->debugBypassQueued++; 762 // Add the channel pointer to list of channels needing service (first 763 // come...), if it's not already there. 764 i2QueueNeeds(pB, pCh, NEED_BYPASS); 765 break; 766 } 767 768 ip2trace (CHANN, ITRC_QUEUE, ITRC_RETURN, 1, nCommands ); 769 770 return nCommands; // Good status: number of commands sent 771} 772 773//****************************************************************************** 774// Function: i2GetStatus(pCh,resetBits) 775// Parameters: Pointer to a channel structure 776// Bit map of status bits to clear 777// Returns: Bit map of current status bits 778// 779// Description: 780// Returns the state of data set signals, and whether a break has been received,