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s390/hypfs_sprp: remove unneeded DMA zone allocation 

Remove GFP_DMA flag when allocating memory to be used for diagnose 304.
Diagnose 304 can access memory beyond the DMA zone.

Suggested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-01-19 17:19:46 +01:00
parent eec561024b
commit 791833f224
1 changed files with 1 additions and 1 deletions
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2
arch/s390/hypfs/hypfs_sprp.c
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@ -74,7 +74,7 @@ static int __hypfs_sprp_ioctl(void __user *user_area)
int rc;
rc = -ENOMEM;
data = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
data = (void *)get_zeroed_page(GFP_KERNEL);
diag304 = kzalloc(sizeof(*diag304), GFP_KERNEL);
if (!data || !diag304)
goto out;