--- src/sys_quotactl.rs.u8	2020-12-10 10:29:29.460361478 +0000

+++ src/sys_quotactl.rs	2020-12-10 10:32:04.119842992 +0000

@@ -113,7 +113,7 @@

         let mut data: dqinfo = unsafe { mem::zeroed() };

         let special = special.as_ref().map(|c| c.as_ptr()).unwrap_or(ptr::null());

         sc_libc_try!(unsafe {

-            libc::quotactl(cmd, special, id, &mut data as *mut dqinfo as *mut i8)

+            libc::quotactl(cmd, special, id, &mut data as *mut dqinfo as *mut u8)

         });

         msg.mem_write_struct(addr, &data)?;

@@ -143,7 +143,7 @@

                 cmd,

                 special.as_ptr(),

                 id,

-                &mut data as *mut dqinfo as *mut i8,

+                &mut data as *mut dqinfo as *mut u8,

             )

         });

@@ -166,7 +166,7 @@

         let mut data: u32 = 0;

         let special = special.as_ref().map(|c| c.as_ptr()).unwrap_or(ptr::null());

-        sc_libc_try!(unsafe { libc::quotactl(cmd, special, id, &mut data as *mut u32 as *mut i8) });

+        sc_libc_try!(unsafe { libc::quotactl(cmd, special, id, &mut data as *mut u32 as *mut u8) });

         msg.mem_write_struct(addr, &data)?;

         Ok(SyscallStatus::Ok(0))

@@ -257,7 +257,7 @@

                 cmd,

                 special.as_ptr(),

                 id,

-                &mut data as *mut libc::dqblk as *mut i8,

+                &mut data as *mut libc::dqblk as *mut u8,

             )

         });

@@ -290,7 +290,7 @@

                 cmd,

                 special.as_ptr(),

                 id,

-                &mut data as *mut libc::dqblk as *mut i8,

+                &mut data as *mut libc::dqblk as *mut u8,

             )

         });

@@ -323,7 +323,7 @@

                 cmd,

                 special.as_ptr(),

                 id,

-                &mut data as *mut nextdqblk as *mut i8,

+                &mut data as *mut nextdqblk as *mut u8,

             )

         });