| libxlu_pci.c: In function 'xlu_pci_parse_bdf': | libxlu_pci.c:32:18: error: 'func' may be used uninitialized in this function [-Werror=maybe-uninitialized] | 32 | pcidev->func = func; | | ~~~~~~~~~~~~~^~~~~~ | libxlu_pci.c:51:29: note: 'func' was declared here | 51 | unsigned dom, bus, dev, func, vslot = 0; | | ^~~~ | libxlu_pci.c:31:17: error: 'dev' may be used uninitialized in this function [-Werror=maybe-uninitialized] | 31 | pcidev->dev = dev; | | ~~~~~~~~~~~~^~~~~ | libxlu_pci.c:51:24: note: 'dev' was declared here | 51 | unsigned dom, bus, dev, func, vslot = 0; | | ^~~ | libxlu_pci.c:30:17: error: 'bus' may be used uninitialized in this function [-Werror=maybe-uninitialized] | 30 | pcidev->bus = bus; | | ~~~~~~~~~~~~^~~~~ | libxlu_pci.c:51:19: note: 'bus' was declared here | 51 | unsigned dom, bus, dev, func, vslot = 0; | | ^~~ | libxlu_pci.c:78:26: error: 'dom' may be used uninitialized in this function [-Werror=maybe-uninitialized] | 78 | if ( dom & ~0xff ) | | ~~~~^~~~~~~
Signed-off-by: Wei Chen <[email protected]> --- tools/libs/util/libxlu_pci.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/tools/libs/util/libxlu_pci.c b/tools/libs/util/libxlu_pci.c index 551d8e3aed..b38e9aab40 100644 --- a/tools/libs/util/libxlu_pci.c +++ b/tools/libs/util/libxlu_pci.c @@ -15,7 +15,7 @@ static int parse_bdf(libxl_device_pci *pci, const char *str, const char **endp) { const char *ptr = str; unsigned int colons = 0; - unsigned int domain, bus, dev, func; + unsigned int domain = 0, bus = 0, dev = 0, func = 0; int n; /* Count occurrences of ':' to detrmine presence/absence of the 'domain' */ @@ -28,7 +28,6 @@ static int parse_bdf(libxl_device_pci *pci, const char *str, const char **endp) ptr = str; switch (colons) { case 1: - domain = 0; if (sscanf(ptr, "%x:%x.%n", &bus, &dev, &n) != 2) return ERROR_INVAL; break; -- 2.25.1
