commit a4f48d0f44d09b6a9a3b16f6c0121ffd5123eef3
author Mateusz Nowak <mateusz.nowak@intel.com> Mon Aug 03 18:06:39 2015 +0200
committer Zhiquan Liu <zhiquan.liu@intel.com> Wed Oct 21 11:16:19 2015 +0800
tree 301212d5f9803c194d157bce20eb8b3821f3fed3
parent 0331d4ae3843f682e98bfa1aba0f8da7fbd9beb0

vold: fix 64 bit ioctl error

Changing the num_sectors used in ioctl with BLKGETSIZE because
the kernel expects an unsigned long type and then changes 64 bits
with a 64 bits userspace. This overwrites what's located close to
the parameter location if any.

Change-Id: I78fd61a1084de2741f39b926aa436462518709a0
Signed-off-by: Mateusz Nowak <mateusz.nowak@intel.com>
Signed-off-by: Zhiquan Liu <zhiquan.liu@intel.com>

Loop.h

diff --git a/Loop.h b/Loop.h
index f7c0392..72130b0 100644
--- a/Loop.h
+++ b/Loop.h
@@ -31,8 +31,8 @@
     static int create(const char *id, const char *loopFile, char *loopDeviceBuffer, size_t len);
     static int destroyByDevice(const char *loopDevice);
     static int destroyByFile(const char *loopFile);
-    static int createImageFile(const char *file, unsigned int numSectors);
-    static int resizeImageFile(const char *file, unsigned int numSectors);
+    static int createImageFile(const char *file, unsigned long numSectors);
+    static int resizeImageFile(const char *file, unsigned long numSectors);
 
     static int dumpState(SocketClient *c);
 };