X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=extras%2Ffirmware%2Ffirmware_helper.c;h=45815137acb97c6f37b2e28b7f518c1a44a365fa;hb=a3f129d054395019d4b2385dede233eb12425c78;hp=7b7a307298384ccdb16e8d10f48cb404d7dae482;hpb=440103fcfc99626c4705f879b63ad710de0209de;p=elogind.git

diff --git a/extras/firmware/firmware_helper.c b/extras/firmware/firmware_helper.c
index 7b7a30729..45815137a 100644
--- a/extras/firmware/firmware_helper.c
+++ b/extras/firmware/firmware_helper.c
@@ -118,9 +118,9 @@ int main(int argc, char **argv) {
 
 	count = 0;
 	while (count < fw_buffer_size) {
-		int c;
+		ssize_t c;
 
-		c = write(fw_fd, fw_buffer+count, fw_buffer_size);
+		c = write(fw_fd, fw_buffer+count, fw_buffer_size-count);
 		if (c <= 0) {
 			rc = errno;
 			close(fw_fd);