diff options
Diffstat (limited to 'lib/libpciaccess/src/common_vgaarb.c')
| -rw-r--r-- | lib/libpciaccess/src/common_vgaarb.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/libpciaccess/src/common_vgaarb.c b/lib/libpciaccess/src/common_vgaarb.c index 7a7d204c9..515275f43 100644 --- a/lib/libpciaccess/src/common_vgaarb.c +++ b/lib/libpciaccess/src/common_vgaarb.c @@ -126,7 +126,7 @@ int pci_device_vgaarb_init(void) { struct pci_slot_match match; - char buf[BUFSIZE]; + char buf[BUFSIZE + 1]; /* reading BUFSIZE characters, + 1 for NULL */ int ret, rsrc; if (!pci_sys) @@ -140,6 +140,8 @@ pci_device_vgaarb_init(void) if (ret <= 0) return -1; + buf[ret] = 0; /* ret will never be greater than BUFSIZE */ + memset(&match, 0xff, sizeof(match)); /* need to find the device to go back to and what it was decoding */ rsrc = parse_string_to_decodes_rsrc(buf, &pci_sys->vga_count, &match); @@ -226,7 +228,7 @@ int pci_device_vgaarb_set_target(struct pci_device *dev) { int len; - char buf[BUFSIZE]; + char buf[BUFSIZE + 1]; /* reading BUFSIZE characters, + 1 for NULL */ int ret; if (!dev) @@ -245,6 +247,8 @@ pci_device_vgaarb_set_target(struct pci_device *dev) if (ret <= 0) return -1; + buf[ret] = 0; /* ret will never be greater than BUFSIZE */ + dev->vgaarb_rsrc = parse_string_to_decodes_rsrc(buf, &pci_sys->vga_count, NULL); pci_sys->vga_target = dev; return 0; @@ -254,7 +258,7 @@ int pci_device_vgaarb_decodes(int new_vgaarb_rsrc) { int len; - char buf[BUFSIZE]; + char buf[BUFSIZE + 1]; /* reading BUFSIZE characters, + 1 for NULL */ int ret; struct pci_device *dev = pci_sys->vga_target; @@ -272,6 +276,8 @@ pci_device_vgaarb_decodes(int new_vgaarb_rsrc) if (ret <= 0) return -1; + buf[ret] = 0; /* ret will never be greater than BUFSIZE */ + parse_string_to_decodes_rsrc(buf, &pci_sys->vga_count, NULL); return ret; |