libcpupower: Hide private function

cpupower_read_sysfs() (previously known as sysfs_read_file()) is an
internal function in libcpupower and should not be exported when
libcpupower is a shared library.  Change its visibility to "hidden".

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name libcpupower-hide-private-function.patch

diff --git a/tools/power/cpupower/lib/cpupower.c b/tools/power/cpupower/lib/cpupower.c
index 3656e697537ee9835a91091f75fcbdbc446ad405..e0b57121e0a9ebf1f2a77ac4e9d3b25569d7df88 100644 (file)
--- a/tools/power/cpupower/lib/cpupower.c
+++ b/tools/power/cpupower/lib/cpupower.c
@@ -14,6 +14,7 @@
 #include "cpupower.h"
 #include "cpupower_intern.h"
 
+__attribute__((visibility("hidden")))
 unsigned int cpupower_read_sysfs(const char *path, char *buf, size_t buflen)
 {
        int fd;