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[PATCH] fix for apply_format() 

fix possible NULL pointer in '%c' callout substitution
and cleanup '%D' debug text
This commit is contained in:
kay.sievers@vrfy.org 2003-12-30 01:07:59 -08:00 committed by Greg KH
parent 0529e2ed2e
commit 647c8fc43e
1 changed files with 6 additions and 3 deletions
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9
namedev.c
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@ -200,11 +200,12 @@ static void apply_format(struct udevice *udev, unsigned char *string)
case 'D':
if (strlen(udev->kernel_number) == 0) {
strcat(pos, "disc");
dbg("substitute devfs disc");
break;
}
strcat(pos, "part");
strcat(pos, udev->kernel_number);
dbg("substitute kernel number '%s'", udev->kernel_number);
dbg("substitute devfs part '%s'", udev->kernel_number);
break;
case 'm':
sprintf(pos, "%u", udev->minor);
@ -229,8 +230,10 @@ static void apply_format(struct udevice *udev, unsigned char *string)
break;
}
}
strcat(pos, pos3);
dbg("substitute partial callout output '%s'", pos3);
if (pos3) {
strcat(pos, pos3);
dbg("substitute partial callout output '%s'", pos3);
}
} else {
strcat(pos, udev->callout_value);
dbg("substitute callout output '%s'", udev->callout_value);