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authorDmitry Kadashev <dkadashev@gmail.com>2021-07-08 09:34:42 +0300
committerJens Axboe <axboe@kernel.dk>2021-08-23 22:41:26 +0300
commit8228e2c313194f13f1d1806ed5734a26c38d49ac (patch)
tree84d58d03dbd06a8258bed089f2f435cff4c63f38 /fs/exec.c
parentda2d0cede330192879e8e16ddb3158aa76ba5ec2 (diff)
downloadlinux-8228e2c313194f13f1d1806ed5734a26c38d49ac.tar.xz
namei: add getname_uflags()
There are a couple of places where we already open-code the (flags & AT_EMPTY_PATH) check and io_uring will likely add another one in the future. Let's just add a simple helper getname_uflags() that handles this directly and use it. Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <christian.brauner@ubuntu.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Link: https://lore.kernel.org/io-uring/20210415100815.edrn4a7cy26wkowe@wittgenstein/ Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Dmitry Kadashev <dkadashev@gmail.com> Acked-by: Christian Brauner <christian.brauner@ubuntu.com> Link: https://lore.kernel.org/r/20210708063447.3556403-7-dkadashev@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 38f63451b928..3b78b22addfb 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -2070,10 +2070,8 @@ SYSCALL_DEFINE5(execveat,
const char __user *const __user *, envp,
int, flags)
{
- int lookup_flags = (flags & AT_EMPTY_PATH) ? LOOKUP_EMPTY : 0;
-
return do_execveat(fd,
- getname_flags(filename, lookup_flags, NULL),
+ getname_uflags(filename, flags),
argv, envp, flags);
}
@@ -2091,10 +2089,8 @@ COMPAT_SYSCALL_DEFINE5(execveat, int, fd,
const compat_uptr_t __user *, envp,
int, flags)
{
- int lookup_flags = (flags & AT_EMPTY_PATH) ? LOOKUP_EMPTY : 0;
-
return compat_do_execveat(fd,
- getname_flags(filename, lookup_flags, NULL),
+ getname_uflags(filename, flags),
argv, envp, flags);
}
#endif