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-rw-r--r--src/init.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/init.cpp b/src/init.cpp
index e0efe5c0a2..30ee0e694c 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1165,6 +1165,9 @@ static bool LockDataDirectory(bool probeOnly)
{
// Make sure only a single Bitcoin process is using the data directory.
fs::path datadir = GetDataDir();
+ if (!DirIsWritable(datadir)) {
+ return InitError(strprintf(_("Cannot write to data directory '%s'; check permissions."), datadir.string()));
+ }
if (!LockDirectory(datadir, ".lock", probeOnly)) {
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), datadir.string(), _(PACKAGE_NAME)));
}