diff mbox

[dpdk-dev,v15,07/13] eal/linux: fix lsc read error in uio_pci_generic

Message ID 1437361349-2801-8-git-send-email-cunming.liang@intel.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Cunming Liang July 20, 2015, 3:02 a.m. UTC 
  The intr handle type(RTE_INTR_HANDLE_UIO_INTX) was introduced by UIO pci generic.
When turning on the lsc interrupt, it complains fd read error.
The patch uses the correct read size in the case of RTE_INTR_HANDLE_UIO_INTX.

Fixes: 3f313bef3467 ("eal/linux: fix irq handling with igb_uio")

Reported-by: Yong Liu <yong.liu@intel.com>
Signed-off-by: Cunming Liang <cunming.liang@intel.com>
---
 lib/librte_eal/linuxapp/eal/eal_interrupts.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 1cea4bf..3f87875 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -686,6 +686,7 @@  eal_intr_process_interrupts(struct epoll_event *events, int nfds)
 		/* set the length to be read dor different handle type */
 		switch (src->intr_handle.type) {
 		case RTE_INTR_HANDLE_UIO:
+		case RTE_INTR_HANDLE_UIO_INTX:
 			bytes_read = sizeof(buf.uio_intr_count);
 			break;
 		case RTE_INTR_HANDLE_ALARM: