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authorGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
committerGreg Kroah-Hartman <[email protected]>2025-04-28 08:32:58 +0000
commit615dca38c2eae55aff80050275931c87a812b48c (patch)
tree8674a3a3f66a39bf7c7f2ab733a757e624bd99ec /crypto/scompress.c
parentusb: gadget: u_serial: Implement remote wakeup capability (diff)
parentLinux 6.15-rc4 (diff)
downloadkernel-615dca38c2eae55aff80050275931c87a812b48c.tar.gz
kernel-615dca38c2eae55aff80050275931c87a812b48c.zip
Merge 6.15-rc4 into usb-next
We need the USB fixes in here as well, and this resolves the following merge conflicts that were reported in linux-next: drivers/usb/chipidea/ci_hdrc_imx.c drivers/usb/host/xhci.h Reported-by: Stephen Rothwell <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'crypto/scompress.c')
-rw-r--r--crypto/scompress.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/crypto/scompress.c b/crypto/scompress.c
index d435d4b24469..36934c78d127 100644
--- a/crypto/scompress.c
+++ b/crypto/scompress.c
@@ -111,10 +111,14 @@ static void scomp_free_streams(struct scomp_alg *alg)
struct crypto_acomp_stream __percpu *stream = alg->stream;
int i;
+ alg->stream = NULL;
+ if (!stream)
+ return;
+
for_each_possible_cpu(i) {
struct crypto_acomp_stream *ps = per_cpu_ptr(stream, i);
- if (!ps->ctx)
+ if (IS_ERR_OR_NULL(ps->ctx))
break;
alg->free_ctx(ps->ctx);
@@ -132,6 +136,8 @@ static int scomp_alloc_streams(struct scomp_alg *alg)
if (!stream)
return -ENOMEM;
+ alg->stream = stream;
+
for_each_possible_cpu(i) {
struct crypto_acomp_stream *ps = per_cpu_ptr(stream, i);
@@ -143,8 +149,6 @@ static int scomp_alloc_streams(struct scomp_alg *alg)
spin_lock_init(&ps->lock);
}
-
- alg->stream = stream;
return 0;
}
@@ -211,8 +215,8 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir)
spage = nth_page(spage, soff / PAGE_SIZE);
soff = offset_in_page(soff);
- n = slen / PAGE_SIZE;
- n += (offset_in_page(slen) + soff - 1) / PAGE_SIZE;
+ n = (slen - 1) / PAGE_SIZE;
+ n += (offset_in_page(slen - 1) + soff) / PAGE_SIZE;
if (PageHighMem(nth_page(spage, n)) &&
size_add(soff, slen) > PAGE_SIZE)
break;
@@ -239,9 +243,9 @@ static int scomp_acomp_comp_decomp(struct acomp_req *req, int dir)
dpage = nth_page(dpage, doff / PAGE_SIZE);
doff = offset_in_page(doff);
- n = dlen / PAGE_SIZE;
- n += (offset_in_page(dlen) + doff - 1) / PAGE_SIZE;
- if (PageHighMem(dpage + n) &&
+ n = (dlen - 1) / PAGE_SIZE;
+ n += (offset_in_page(dlen - 1) + doff) / PAGE_SIZE;
+ if (PageHighMem(nth_page(dpage, n)) &&
size_add(doff, dlen) > PAGE_SIZE)
break;
dst = kmap_local_page(dpage) + doff;