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authorIngo Molnar <mingo@kernel.org>2018-04-12 09:42:34 +0200
committerIngo Molnar <mingo@kernel.org>2018-04-12 09:42:34 +0200
commitef389b734691cdc8beb009dd402135dcdcb86a56 (patch)
tree9523a37db93cb7c7874a5f18b4d9a7014898b814 /fs/dcookies.c
parentx86/apic: Fix signedness bug in APIC ID validity checks (diff)
parentsyscalls/x86: Adapt syscall_wrapper.h to the new syscall stub naming convention (diff)
downloadlinux-ef389b734691cdc8beb009dd402135dcdcb86a56.tar.xz
linux-ef389b734691cdc8beb009dd402135dcdcb86a56.zip
Merge branch 'WIP.x86/asm' into x86/urgent, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/dcookies.c')
-rw-r--r--fs/dcookies.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 0d0461cf2431..57bc96435feb 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -146,7 +146,7 @@ out:
/* And here is where the userspace process can look up the cookie value
* to retrieve the path.
*/
-SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
+static int do_lookup_dcookie(u64 cookie64, char __user *buf, size_t len)
{
unsigned long cookie = (unsigned long)cookie64;
int err = -EINVAL;
@@ -203,13 +203,18 @@ out:
return err;
}
+SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
+{
+ return do_lookup_dcookie(cookie64, buf, len);
+}
+
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, compat_size_t, len)
{
#ifdef __BIG_ENDIAN
- return sys_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
+ return do_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
#else
- return sys_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
+ return do_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
#endif
}
#endif