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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-28 10:32:58 +0200
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /include/linux/file_ref.h
parent3baea29dc0a7b561170d7082f831a613ae6aa56e (diff)
parentb4432656b36e5cc1d50a1f2dc15357543add530e (diff)
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/file_ref.h')
-rw-r--r--include/linux/file_ref.h19
1 files changed, 6 insertions, 13 deletions
diff --git a/include/linux/file_ref.h b/include/linux/file_ref.h
index 7db62fbc0500..31551e4cb8f3 100644
--- a/include/linux/file_ref.h
+++ b/include/linux/file_ref.h
@@ -61,7 +61,6 @@ static inline void file_ref_init(file_ref_t *ref, unsigned long cnt)
atomic_long_set(&ref->refcnt, cnt - 1);
}
-bool __file_ref_put_badval(file_ref_t *ref, unsigned long cnt);
bool __file_ref_put(file_ref_t *ref, unsigned long cnt);
/**
@@ -178,20 +177,14 @@ static __always_inline __must_check bool file_ref_put(file_ref_t *ref)
*/
static __always_inline __must_check bool file_ref_put_close(file_ref_t *ref)
{
- long old, new;
+ long old;
old = atomic_long_read(&ref->refcnt);
- do {
- if (unlikely(old < 0))
- return __file_ref_put_badval(ref, old);
-
- if (old == FILE_REF_ONEREF)
- new = FILE_REF_DEAD;
- else
- new = old - 1;
- } while (!atomic_long_try_cmpxchg(&ref->refcnt, &old, new));
-
- return new == FILE_REF_DEAD;
+ if (likely(old == FILE_REF_ONEREF)) {
+ if (likely(atomic_long_try_cmpxchg(&ref->refcnt, &old, FILE_REF_DEAD)))
+ return true;
+ }
+ return file_ref_put(ref);
}
/**