commit 75dd679e61a0246cf27ef17bf9a97472152d28da
author Mattias Jansson <mjansson@gmail.com> Sun Apr 25 09:51:38 2021 +0200
committer Mattias Jansson <mjansson@gmail.com> Sun Apr 25 09:51:38 2021 +0200
tree 43320286ceb809f95018d4c555408aa8d7eaf0f3
parent 2913fc377d90a955a570aababbccd0f575b4ae8c

safeguard errno

rpmalloc/rpmalloc.c

diff --git a/rpmalloc/rpmalloc.c b/rpmalloc/rpmalloc.c
index 5cb8f78..5186f61 100644
--- a/rpmalloc/rpmalloc.c
+++ b/rpmalloc/rpmalloc.c
@@ -925,8 +925,9 @@
 	} else {
 #if defined(MADV_FREE_REUSABLE)
 		int ret;
-		while ((ret = madvise(address, size, MADV_FREE_REUSABLE)) == -1 && errno == EAGAIN);
-		if (ret == -1 && errno != 0)
+		while ((ret = madvise(address, size, MADV_FREE_REUSABLE)) == -1 && (errno == EAGAIN))
+			errno = 0;
+		if ((ret == -1) && (errno != 0))
 #elif defined(MADV_FREE)
 		if (madvise(address, size, MADV_FREE))
 #endif