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Diffstat (limited to 'arch/um/os-Linux')
-rw-r--r--arch/um/os-Linux/irq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index d46b818c131..d1b61d474e0 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -20,6 +20,10 @@
#include "os.h"
#include "um_malloc.h"
+/*
+ * Locked by irq_lock in arch/um/kernel/irq.c. Changed by os_create_pollfd
+ * and os_free_irq_by_cb, which are called under irq_lock.
+ */
static struct pollfd *pollfds = NULL;
static int pollfds_num = 0;
static int pollfds_size = 0;
@@ -58,7 +62,7 @@ int os_create_pollfd(int fd, int events, void *tmp_pfd, int size_tmpfds)
if (pollfds_num == pollfds_size) {
if (size_tmpfds <= pollfds_size * sizeof(pollfds[0])) {
/* return min size needed for new pollfds area */
- return((pollfds_size + 1) * sizeof(pollfds[0]));
+ return (pollfds_size + 1) * sizeof(pollfds[0]);
}
if (pollfds != NULL) {