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usb-linux: Don't do perror when errno is not set 

Note that "op" also is not set, so before this change these error paths
would feed NULL to perror.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2011-05-31 11:35:20 +02:00 committed by Gerd Hoffmann
parent f264cfbf4a
commit 61c1117f08
1 changed files with 3 additions and 2 deletions
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5
usb-linux.c
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@ -376,7 +376,8 @@ static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration)
i = 0; i = 0;
dev_descr_len = dev->descr[0]; dev_descr_len = dev->descr[0];
if (dev_descr_len > dev->descr_len) { if (dev_descr_len > dev->descr_len) {
goto fail; fprintf(stderr, "husb: update iface failed. descr too short\n");
return 0;
} }
i += dev_descr_len; i += dev_descr_len;
@ -404,7 +405,7 @@ static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration)
if (i >= dev->descr_len) { if (i >= dev->descr_len) {
fprintf(stderr, fprintf(stderr,
"husb: update iface failed. no matching configuration\n"); "husb: update iface failed. no matching configuration\n");
goto fail; return 0;
} }
nb_interfaces = dev->descr[i + 4]; nb_interfaces = dev->descr[i + 4];