A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 10:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

get rid of union semop in sys_semctl(2) arguments

Browse source 
just have the bugger take unsigned long and deal with SETVAL
case (when we use an int member in the union) explicitly.

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-03-05 15:04:55 -05:00
commit e1fd1f490f
7 changed files with 91 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

14
ipc/compat.c
View file

@ -240,7 +240,7 @@ static inline int put_compat_semid_ds(struct semid64_ds *s,
static long do_compat_semctl(int first, int second, int third, u32 pad)
{
union semun fourth;
unsigned long fourth;
int err, err2;
struct semid64_ds s64;
struct semid64_ds __user *up64;
@ -249,9 +249,13 @@ static long do_compat_semctl(int first, int second, int third, u32 pad)
memset(&s64, 0, sizeof(s64));
if ((third & (~IPC_64)) == SETVAL)
fourth.val = (int) pad;
#ifdef __BIG_ENDIAN
fourth = (unsigned long)pad << 32;
#else
fourth = pad;
#endif
else
fourth.__pad = compat_ptr(pad);
fourth = (unsigned long)compat_ptr(pad);
switch (third & (~IPC_64)) {
case IPC_INFO:
case IPC_RMID:
@ -269,7 +273,7 @@ static long do_compat_semctl(int first, int second, int third, u32 pad)
case IPC_STAT:
case SEM_STAT:
up64 = compat_alloc_user_space(sizeof(s64));
fourth.__pad = up64;
fourth = (unsigned long)up64;
err = sys_semctl(first, second, third, fourth);
if (err < 0)
break;
@ -295,7 +299,7 @@ static long do_compat_semctl(int first, int second, int third, u32 pad)
if (err)
break;
fourth.__pad = up64;
fourth = (unsigned long)up64;
err = sys_semctl(first, second, third, fourth);
break;