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sysinfo: Avoid libpci crash when pci not available 

Turns out libpci is an awful library that on any error calls
exit() and has no way of indicating an error otherwise...
This commit is contained in:
Patrick Griffis 2017-11-18 00:14:13 -05:00
parent c6d9e26e2b
commit 47b653cc7c
1 changed files with 6 additions and 1 deletions
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5
plugins/sysinfo/unix/pci.c
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@ -92,6 +92,11 @@ int pci_find_by_class(u16 *class, char *vendor, char *device)
struct pci_dev *p; struct pci_dev *p;
int nomatch = 1; int nomatch = 1;
/* libpci has no way to report errors it calls exit()
* so we need to manually avoid potential failures like this one */
if (!g_file_test ("/proc/bus/pci", G_FILE_TEST_EXISTS))
return 1;
pacc = pci_alloc(); pacc = pci_alloc();
pci_filter_init(pacc, &filter); pci_filter_init(pacc, &filter);
pci_init(pacc); pci_init(pacc);