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Diffstat (limited to 'lib/muser_ctx.c')
-rw-r--r--lib/muser_ctx.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/lib/muser_ctx.c b/lib/muser_ctx.c
index 9224b11..a9a6bdb 100644
--- a/lib/muser_ctx.c
+++ b/lib/muser_ctx.c
@@ -139,13 +139,21 @@ static inline int recv_blocking(int sock, void *buf, size_t len, int flags)
int ret, fret;
fret = fcntl(sock, F_SETFL, f & ~O_NONBLOCK);
- assert(fret != -1);
+ if (fret == -1) {
+ ret = -errno;
+ fprintf(stderr, "failed to set O_NONBLOCK: %m\n");
+ goto out;
+ }
ret = recv(sock, buf, len, flags);
fret = fcntl(sock, F_SETFL, f);
- assert(fret != -1);
+ if (fret == -1) {
+ ret = -errno;
+ fprintf(stderr, "failed to unset O_NONBLOCK: %m\n");
+ }
+out:
return ret;
}
@@ -693,7 +701,6 @@ irqs_set_data_bool(lm_ctx_t *lm_ctx, struct vfio_irq_set *irq_set, void *data)
eventfd_t val;
assert(data != NULL);
-
for (i = irq_set->start, d8 = data; i < (irq_set->start + irq_set->count);
i++, d8++) {
efd = lm_ctx->irqs.efds[i];
@@ -1314,7 +1321,8 @@ handle_migration_data_offset(lm_ctx_t *lm_ctx, __u64 *offset, bool is_write)
/*
* data_offset is invariant during an iteration.
*/
- break;
+ ret = 0;
+ break;
default:
/*
* reading data_offset is undefined out of sequence
@@ -1323,7 +1331,6 @@ handle_migration_data_offset(lm_ctx_t *lm_ctx, __u64 *offset, bool is_write)
return -EINVAL;
}
-
*offset = lm_ctx->migration.iter.offset + sizeof(struct vfio_device_migration_info);
return ret;
@@ -1361,7 +1368,7 @@ static ssize_t
handle_migration_region_access(lm_ctx_t *lm_ctx, char *buf, size_t count,
loff_t pos, bool is_write)
{
- int ret;
+ int ret = -EINVAL;
assert(lm_ctx != NULL);
assert(buf != NULL);
@@ -1626,7 +1633,7 @@ static int
handle_device_set_irqs(lm_ctx_t *lm_ctx, uint32_t size,
int *fds, int nr_fds, struct vfio_irq_set *irq_set)
{
- void *data;
+ void *data = NULL;
assert(lm_ctx != NULL);
assert(irq_set != NULL);