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Fix warn_unused_result on write/read in nbd and ublk

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This commit is contained in:
Vitaliy Filippov
2025-09-24 02:07:58 +03:00
parent 2ef80bf0b8
commit e1715c33bb
2 changed files with 6 additions and 6 deletions
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src/client/nbd_proxy.cpp
+4 -4
View File
@@ -912,7 +912,7 @@ protected:
int r, nbd = open(path, O_RDWR), qd_fd; int r, nbd = open(path, O_RDWR), qd_fd;
if (nbd < 0) if (nbd < 0)
{ {
write(notifyfd[1], &errno, sizeof(errno)); (void)write(notifyfd[1], &errno, sizeof(errno));
exit(1); exit(1);
} }
r = ioctl(nbd, NBD_SET_SOCK, sockfd[1]); r = ioctl(nbd, NBD_SET_SOCK, sockfd[1]);
@@ -954,7 +954,7 @@ protected:
close(qd_fd); close(qd_fd);
// Notify parent // Notify parent
errno = 0; errno = 0;
write(notifyfd[1], &errno, sizeof(errno)); (void)write(notifyfd[1], &errno, sizeof(errno));
close(notifyfd[1]); close(notifyfd[1]);
close(sockfd[0]); close(sockfd[0]);
if (bg) if (bg)
@@ -971,11 +971,11 @@ protected:
ioctl(nbd, NBD_CLEAR_SOCK); ioctl(nbd, NBD_CLEAR_SOCK);
exit(0); exit(0);
end_close: end_close:
write(notifyfd[1], &errno, sizeof(errno)); (void)write(notifyfd[1], &errno, sizeof(errno));
close(nbd); close(nbd);
exit(2); exit(2);
end_unmap: end_unmap:
write(notifyfd[1], &errno, sizeof(errno)); (void)write(notifyfd[1], &errno, sizeof(errno));
ioctl(nbd, NBD_CLEAR_SOCK); ioctl(nbd, NBD_CLEAR_SOCK);
close(nbd); close(nbd);
exit(3); exit(3);
src/client/ublk_server.cpp
+2 -2
View File
@@ -335,7 +335,7 @@ help:
{ {
daemonize_reopen_stdio(); daemonize_reopen_stdio();
int ok = 0; int ok = 0;
write(notifyfd[1], &ok, sizeof(ok)); (void)write(notifyfd[1], &ok, sizeof(ok));
close(notifyfd[1]); close(notifyfd[1]);
} }
else else
@@ -377,7 +377,7 @@ help:
// Parent - check status // Parent - check status
close(notifyfd[1]); close(notifyfd[1]);
int child_errno = 1; int child_errno = 1;
read(notifyfd[0], &child_errno, sizeof(child_errno)); (void)read(notifyfd[0], &child_errno, sizeof(child_errno));
if (!child_errno) if (!child_errno)
printf("/dev/ublkb%d\n", ublk_dev.dev_id); printf("/dev/ublkb%d\n", ublk_dev.dev_id);
exit(child_errno); exit(child_errno);