Commits
Jiang Liu committed c12de882e77
megaraid_sas: fix bug in handling return value of pci_enable_msix_range() Function pci_enable_msix_range() may return negative values for error conditions. So it's a bug by checking (pci_enable_msix_range() != 0) for success and causes failure to megaraid driver when MSI is disabled. [ 16.487267] megaraid_sas 0000:02:00.0: Controller type: iMR [ 16.487275] genirq: Flags mismatch irq 0. 00000000 (megasas) vs. 00015a00 (tii mer) [ 16.487347] megasas: Failed to register IRQ for vector 0. Fixes: 8ae80ed1734b "megaraid: Use pci_enable_msix_range() instead of pci_enable_msix()" Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Acked-by: Sumit Saxena <sumit.saxena@avagotech.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: <stable@vger.kernel.org> # 3.17