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crypto: pcrypt - Fix handling of MAY_BACKLOG requests 

MAY_BACKLOG requests can return EBUSY.  Handle them by checking
for that value and filtering out EINPROGRESS notifications.

Reported-by: Yiming Qian <yimingqian591@gmail.com>
Fixes: 5a1436beec ("crypto: pcrypt - call the complete function on error")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
master
Herbert Xu 2026-04-16 17:00:50 +08:00
parent 8451ab6ad6
commit 915b692e6c
1 changed files with 5 additions and 2 deletions
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7
crypto/pcrypt.c
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@ -69,6 +69,9 @@ static void pcrypt_aead_done(void *data, int err)
struct pcrypt_request *preq = aead_request_ctx(req); struct pcrypt_request *preq = aead_request_ctx(req);
struct padata_priv *padata = pcrypt_request_padata(preq); struct padata_priv *padata = pcrypt_request_padata(preq);
if (err == -EINPROGRESS)
return;
padata->info = err; padata->info = err;
padata_do_serial(padata); padata_do_serial(padata);
@ -82,7 +85,7 @@ static void pcrypt_aead_enc(struct padata_priv *padata)
ret = crypto_aead_encrypt(req); ret = crypto_aead_encrypt(req);
if (ret == -EINPROGRESS) if (ret == -EINPROGRESS || ret == -EBUSY)
return; return;
padata->info = ret; padata->info = ret;
@ -133,7 +136,7 @@ static void pcrypt_aead_dec(struct padata_priv *padata)
ret = crypto_aead_decrypt(req); ret = crypto_aead_decrypt(req);
if (ret == -EINPROGRESS) if (ret == -EINPROGRESS || ret == -EBUSY)
return; return;
padata->info = ret; padata->info = ret;