From c80544dc0b87bb65038355e7aafdc30be16b26ab Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 18 Oct 2007 03:07:05 -0700 Subject: sparse pointer use of zero as null Get rid of sparse related warnings from places that use integer as NULL pointer. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Stephen Hemminger Cc: Andi Kleen Cc: Jeff Garzik Cc: Matt Mackall Cc: Ian Kent Cc: Arnd Bergmann Cc: Davide Libenzi Cc: Stephen Smalley Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/futex.c | 4 ++-- kernel/kexec.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'kernel') diff --git a/kernel/futex.c b/kernel/futex.c index d725676d84f..e45a65e4168 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -293,7 +293,7 @@ EXPORT_SYMBOL_GPL(get_futex_key_refs); */ void drop_futex_key_refs(union futex_key *key) { - if (key->both.ptr == 0) + if (!key->both.ptr) return; switch (key->both.offset & (FUT_OFF_INODE|FUT_OFF_MMSHARED)) { case FUT_OFF_INODE: @@ -1046,7 +1046,7 @@ static int unqueue_me(struct futex_q *q) retry: lock_ptr = q->lock_ptr; barrier(); - if (lock_ptr != 0) { + if (lock_ptr != NULL) { spin_lock(lock_ptr); /* * q->lock_ptr can change between reading it and diff --git a/kernel/kexec.c b/kernel/kexec.c index 7885269b0da..e9f1b4ea504 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -785,7 +785,7 @@ static int kimage_load_normal_segment(struct kimage *image, size_t uchunk, mchunk; page = kimage_alloc_page(image, GFP_HIGHUSER, maddr); - if (page == 0) { + if (!page) { result = -ENOMEM; goto out; } @@ -844,7 +844,7 @@ static int kimage_load_crash_segment(struct kimage *image, size_t uchunk, mchunk; page = pfn_to_page(maddr >> PAGE_SHIFT); - if (page == 0) { + if (!page) { result = -ENOMEM; goto out; } -- cgit v1.2.3