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Merge tpm 2023/09/12 v3

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Merge tag 'pull-tpm-2023-09-12-3' of https://github.com/stefanberger/qemu-tpm into staging

Merge tpm 2023/09/12 v3

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# gpg: Signature made Wed 13 Sep 2023 08:46:00 EDT
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
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# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* tag 'pull-tpm-2023-09-12-3' of https://github.com/stefanberger/qemu-tpm:
  tpm: fix crash when FD >= 1024 and unnecessary errors due to EINTR

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-09-13 13:41:57 -04:00
commit 005ad32358
1 changed files with 2 additions and 9 deletions
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11
backends/tpm/tpm_util.c
View File

@ -112,12 +112,8 @@ static int tpm_util_request(int fd,
void *response, void *response,
size_t responselen) size_t responselen)
{ {
fd_set readfds; GPollFD fds[1] = { {.fd = fd, .events = G_IO_IN } };
int n; int n;
struct timeval tv = {
.tv_sec = 1,
.tv_usec = 0,
};
n = write(fd, request, requestlen); n = write(fd, request, requestlen);
if (n < 0) { if (n < 0) {
@ -127,11 +123,8 @@ static int tpm_util_request(int fd,
return -EFAULT; return -EFAULT;
} }
FD_ZERO(&readfds);
FD_SET(fd, &readfds);
/* wait for a second */ /* wait for a second */
n = select(fd + 1, &readfds, NULL, NULL, &tv); n = RETRY_ON_EINTR(g_poll(fds, 1, 1000));
if (n != 1) { if (n != 1) {
return -errno; return -errno;
} }