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| author | Greg Kroah-Hartman <gregkh@google.com> | 2019-08-06 18:34:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@google.com> | 2019-08-06 18:34:01 +0200 |
| commit | 886d08593458ade141937c7839fa206ab32f4c5c (patch) | |
| tree | bce3b1d053520bf3a300e7e53a4b219d065d5c8d /ipc/mqueue.c | |
| parent | 8eb3d65a5ddc6b3afaa3466e0665c4c0cd6578b1 (diff) | |
| parent | d63f4f2588b2a87ac763de9a427816301c5b1caf (diff) | |
Merge 4.4.188 into android-4.4
Changes in 4.4.188
ARM: riscpc: fix DMA
ARM: dts: rockchip: Mark that the rk3288 timer might stop in suspend
kernel/module.c: Only return -EEXIST for modules that have finished loading
MIPS: lantiq: Fix bitfield masking
dmaengine: rcar-dmac: Reject zero-length slave DMA requests
fs/adfs: super: fix use-after-free bug
btrfs: fix minimum number of chunk errors for DUP
ceph: fix improper use of smp_mb__before_atomic()
scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized
ACPI: fix false-positive -Wuninitialized warning
be2net: Signal that the device cannot transmit during reconfiguration
x86/apic: Silence -Wtype-limits compiler warnings
x86: math-emu: Hide clang warnings for 16-bit overflow
mm/cma.c: fail if fixed declaration can't be honored
coda: add error handling for fget
coda: fix build using bare-metal toolchain
uapi linux/coda_psdev.h: move upc_req definition from uapi to kernel side headers
ipc/mqueue.c: only perform resource calculation if user valid
x86/kvm: Don't call kvm_spurious_fault() from .fixup
selinux: fix memory leak in policydb_init()
s390/dasd: fix endless loop after read unit address configuration
xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()
Linux 4.4.188
Change-Id: Id4d8157fe94d0c6be18731ff0612500394eafec2
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'ipc/mqueue.c')
| -rw-r--r-- | ipc/mqueue.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 598b8bf8d80c..a94880dc9094 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -371,7 +371,6 @@ static void mqueue_evict_inode(struct inode *inode) { struct mqueue_inode_info *info; struct user_struct *user; - unsigned long mq_bytes, mq_treesize; struct ipc_namespace *ipc_ns; struct msg_msg *msg, *nmsg; LIST_HEAD(tmp_msg); @@ -394,16 +393,18 @@ static void mqueue_evict_inode(struct inode *inode) free_msg(msg); } - /* Total amount of bytes accounted for the mqueue */ - mq_treesize = info->attr.mq_maxmsg * sizeof(struct msg_msg) + - min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * - sizeof(struct posix_msg_tree_node); - - mq_bytes = mq_treesize + (info->attr.mq_maxmsg * - info->attr.mq_msgsize); - user = info->user; if (user) { + unsigned long mq_bytes, mq_treesize; + + /* Total amount of bytes accounted for the mqueue */ + mq_treesize = info->attr.mq_maxmsg * sizeof(struct msg_msg) + + min_t(unsigned int, info->attr.mq_maxmsg, MQ_PRIO_MAX) * + sizeof(struct posix_msg_tree_node); + + mq_bytes = mq_treesize + (info->attr.mq_maxmsg * + info->attr.mq_msgsize); + spin_lock(&mq_lock); user->mq_bytes -= mq_bytes; /* |