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authorThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
commitfb4e0592654adb31bc6f3a738d6499b816a655d6 (patch)
treee6edaf18cf3a7f49e93fb51de5a47f4b9e786f53 /fs/xfs/libxfs/xfs_bmap.c
parent471ba0e686cb13752bc1ff3216c54b69a2d250ea (diff)
parent16e32c3cde7763ab875b9030b443ecbc8e352d8a (diff)
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Merge tag 'irqchip-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier - The huge (and terrifying) TI INTR/INTA set of drivers - Rewrite of the stm32mp1-exti driver as a platform driver - Update the IOMMU MSI mapping API to be RT friendly - A number of cleanups and other low impact fixes
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 48502cb9990f..4637ae1ae91c 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1191,7 +1191,10 @@ xfs_iread_extents(
* Root level must use BMAP_BROOT_PTR_ADDR macro to get ptr out.
*/
level = be16_to_cpu(block->bb_level);
- ASSERT(level > 0);
+ if (unlikely(level == 0)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);
+ return -EFSCORRUPTED;
+ }
pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes);
bno = be64_to_cpu(*pp);
@@ -4249,9 +4252,13 @@ xfs_bmapi_write(
struct xfs_bmbt_irec *mval, /* output: map values */
int *nmap) /* i/o: mval size/count */
{
+ struct xfs_bmalloca bma = {
+ .tp = tp,
+ .ip = ip,
+ .total = total,
+ };
struct xfs_mount *mp = ip->i_mount;
struct xfs_ifork *ifp;
- struct xfs_bmalloca bma = { NULL }; /* args for xfs_bmap_alloc */
xfs_fileoff_t end; /* end of mapped file region */
bool eof = false; /* after the end of extents */
int error; /* error return */
@@ -4319,10 +4326,6 @@ xfs_bmapi_write(
eof = true;
if (!xfs_iext_peek_prev_extent(ifp, &bma.icur, &bma.prev))
bma.prev.br_startoff = NULLFILEOFF;
- bma.tp = tp;
- bma.ip = ip;
- bma.total = total;
- bma.datatype = 0;
bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);
n = 0;