Change in libosmocore[master]: osmo_libusb: Check return of libusb_get_string_descriptor_ascii()

[laforge]

laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmocore/+/16927 )


Change subject: osmo_libusb: Check return of libusb_get_string_descriptor_ascii()
......................................................................

osmo_libusb: Check return of libusb_get_string_descriptor_ascii()

Change-Id: Ifc0133737627a8277635f8f3662b3f6e922be149
Closes: CID#207713
---
M src/usb/osmo_libusb.c
1 file changed, 6 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/27/16927/1

diff --git a/src/usb/osmo_libusb.c b/src/usb/osmo_libusb.c
index 9ad6240..7a13a7e 100644
--- a/src/usb/osmo_libusb.c
+++ b/src/usb/osmo_libusb.c
@@ -334,6 +334,12 @@
 			}
 			rc = libusb_get_string_descriptor_ascii(devh, dev_desc.iSerialNumber,
 								(uint8_t *) strbuf, sizeof(strbuf));
+			if (rc < 0) {
+				LOGP(DLUSB, LOGL_ERROR, "Cannot read USB Descriptor: %s\n",
+					libusb_strerror(rc));
+				libusb_close(devh);
+				continue;
+			}
 			libusb_close(devh);
 			if (strcmp(strbuf, serial))
 				continue;

-- 
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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-Change-Id: Ifc0133737627a8277635f8f3662b3f6e922be149
Gerrit-Change-Number: 16927
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-MessageType: newchange
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