[PATCH] change compat shmget size arg to signed
Olaf Hering
olh at suse.de
Tue Feb 21 05:39:36 EST 2006
change second arg (the 'size') to signed to handle a size of -1.
ltp test shmget02 fails. This patch fixes it.
Oddly, we see the failure only on a POWER4 LPAR with 4.6G ram.
Signed-off-by: Olaf Hering <olh at suse.de>
arch/powerpc/kernel/sys_ppc32.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6.16-rc4-olh/arch/powerpc/kernel/sys_ppc32.c
===================================================================
--- linux-2.6.16-rc4-olh.orig/arch/powerpc/kernel/sys_ppc32.c
+++ linux-2.6.16-rc4-olh/arch/powerpc/kernel/sys_ppc32.c
@@ -429,7 +429,7 @@ long compat_sys_ipc(u32 call, u32 first,
return sys_shmdt(compat_ptr(ptr));
case SHMGET:
/* sign extend key_t */
- return sys_shmget((int)first, second, third);
+ return sys_shmget((int)first, (int)second, third);
case SHMCTL:
/* sign extend shmid */
return compat_sys_shmctl((int)first, second, compat_ptr(ptr));
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