Author: cem Date: Tue Dec 13 19:58:21 2016 New Revision: 310031 URL: https://svnweb.freebsd.org/changeset/base/310031
Log: linuxkpi: Fix not-found case of linux_pci_find_irq_dev Linux list_for_each_entry() does not neccessarily end with the iterator NULL (it may be an offset from NULL if the list member is not the first element of the member struct). Reported by: Coverity CID: 1366940 Reviewed by: hselasky@ Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D8780 Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h ============================================================================== --- head/sys/compat/linuxkpi/common/include/linux/pci.h Tue Dec 13 19:36:05 2016 (r310030) +++ head/sys/compat/linuxkpi/common/include/linux/pci.h Tue Dec 13 19:58:21 2016 (r310031) @@ -220,18 +220,19 @@ static inline struct device * linux_pci_find_irq_dev(unsigned int irq) { struct pci_dev *pdev; + struct device *found; + found = NULL; spin_lock(&pci_lock); list_for_each_entry(pdev, &pci_devices, links) { - if (irq == pdev->dev.irq) - break; - if (irq >= pdev->dev.msix && irq < pdev->dev.msix_max) + if (irq == pdev->dev.irq || + (irq >= pdev->dev.msix && irq < pdev->dev.msix_max)) { + found = &pdev->dev; break; + } } spin_unlock(&pci_lock); - if (pdev) - return &pdev->dev; - return (NULL); + return (found); } static inline unsigned long _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
