Messages in this thread Patch in this message | | | From | SF Markus Elfring <> | Subject | [PATCH] misc/lkdtm_usercopy: Delete an error message for a failed memory allocation in do_usercopy_heap_whitelist() | Date | Tue, 9 Jan 2018 13:42:19 +0100 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Tue, 9 Jan 2018 13:31:43 +0100
Omit an extra message for a memory allocation failure in this function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/misc/lkdtm_usercopy.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/misc/lkdtm_usercopy.c b/drivers/misc/lkdtm_usercopy.c index 9725aed305bb..ed50c1db4f87 100644 --- a/drivers/misc/lkdtm_usercopy.c +++ b/drivers/misc/lkdtm_usercopy.c @@ -202,10 +202,8 @@ static void do_usercopy_heap_whitelist(bool to_user) * Allocate a buffer with a whitelisted window in the buffer. */ buf = kmem_cache_alloc(whitelist_cache, GFP_KERNEL); - if (!buf) { - pr_warn("Failed to allocate buffer from whitelist cache\n"); + if (!buf) goto free_alloc; - } /* Allocate user memory we'll poke at. */ user_alloc = vm_mmap(NULL, 0, PAGE_SIZE, -- 2.15.1
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