@@ -790,11 +790,13 @@ const unsigned char *blkid_probe_get_buffer(blkid_probe pr, uint64_t off, uint64
 
 	if (UINT64_MAX - len < off || UINT64_MAX - len < real_off) {
 		DBG(BUFFER, ul_debug("\t  read-buffer overflow (ignore)"));
+		errno = 0;
 		return NULL;
 	}
 
 	if (len > 8388608 /* 8 Mib */ ) {
 		DBG(BUFFER, ul_debug("\t  too large read request (ignore)"));
+		errno = 0;
 		return NULL;
 	}
Original file line number	Diff line number	Diff line change
`@@ -790,11 +790,13 @@ const unsigned char *blkid_probe_get_buffer(blkid_probe pr, uint64_t off, uint64`
`790`	`790`
`791`	`791`	`if (UINT64_MAX - len < off \|\| UINT64_MAX - len < real_off) {`
`792`	`792`	`DBG(BUFFER, ul_debug("\t read-buffer overflow (ignore)"));`
	`793`	`+ errno = 0;`
`793`	`794`	`return NULL;`
`794`	`795`	`}`
`795`	`796`
`796`	`797`	`if (len > 8388608 /* 8 Mib */ ) {`
`797`	`798`	`DBG(BUFFER, ul_debug("\t too large read request (ignore)"));`
	`799`	`+ errno = 0;`
`798`	`800`	`return NULL;`
`799`	`801`	`}`
`800`	`802`