Check all lseek calls succeed.
Also add missing TEMP_FAILURE_RETRYs on read, write, and lseek.
Bug: http://b/20625546
Change-Id: I03b198e11c1921b35518ee2dd005a7cfcf4fd94b
(cherry picked from commit 7bad7c4646ee8fd8d6e6ed0ffd3ddbb0c1b41a2f)
diff --git a/fuse_sideload.c b/fuse_sideload.c
index 1dd84e9..48e6cc5 100644
--- a/fuse_sideload.c
+++ b/fuse_sideload.c
@@ -442,14 +442,12 @@
}
uint8_t request_buffer[sizeof(struct fuse_in_header) + PATH_MAX*8];
for (;;) {
- ssize_t len = read(fd.ffd, request_buffer, sizeof(request_buffer));
- if (len < 0) {
- if (errno != EINTR) {
- perror("read request");
- if (errno == ENODEV) {
- result = -1;
- break;
- }
+ ssize_t len = TEMP_FAILURE_RETRY(read(fd.ffd, request_buffer, sizeof(request_buffer)));
+ if (len == -1) {
+ perror("read request");
+ if (errno == ENODEV) {
+ result = -1;
+ break;
}
continue;
}
@@ -508,7 +506,7 @@
outhdr.len = sizeof(outhdr);
outhdr.error = result;
outhdr.unique = hdr->unique;
- write(fd.ffd, &outhdr, sizeof(outhdr));
+ TEMP_FAILURE_RETRY(write(fd.ffd, &outhdr, sizeof(outhdr)));
}
}