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sysinfo: Avoid libpci crash when pci not available

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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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7
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;
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();
pci_filter_init(pacc, &filter);
pci_init(pacc);
@ -161,6 +166,6 @@ void pci_find_fullname(char *fullname, char *vendor, char *device)
if (cardfound == 1)
g_snprintf(fullname, bsize, "%s %s", vendorname, devicename);
else
g_snprintf(fullname, bsize, "%s:%s", vendor, device);
g_snprintf(fullname, bsize, "%s:%s", vendor, device);
fclose(fp);
}