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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
| commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
| tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /drivers/crypto/caam/jr.c | |
| parent | Adding debian version 6.6.15-2. (diff) | |
| download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip | |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/crypto/caam/jr.c')
| -rw-r--r-- | drivers/crypto/caam/jr.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index b1f1b393b9..26eba7de3f 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -180,7 +180,7 @@ static int caam_jr_shutdown(struct device *dev) return ret; } -static int caam_jr_remove(struct platform_device *pdev) +static void caam_jr_remove(struct platform_device *pdev) { int ret; struct device *jrdev; @@ -193,11 +193,14 @@ static int caam_jr_remove(struct platform_device *pdev) caam_rng_exit(jrdev->parent); /* - * Return EBUSY if job ring already allocated. + * If a job ring is still allocated there is trouble ahead. Once + * caam_jr_remove() returned, jrpriv will be freed and the registers + * will get unmapped. So any user of such a job ring will probably + * crash. */ if (atomic_read(&jrpriv->tfm_count)) { - dev_err(jrdev, "Device is busy\n"); - return -EBUSY; + dev_alert(jrdev, "Device is busy; consumers might start to crash\n"); + return; } /* Unregister JR-based RNG & crypto algorithms */ @@ -212,13 +215,6 @@ static int caam_jr_remove(struct platform_device *pdev) ret = caam_jr_shutdown(jrdev); if (ret) dev_err(jrdev, "Failed to shut down job ring\n"); - - return ret; -} - -static void caam_jr_platform_shutdown(struct platform_device *pdev) -{ - caam_jr_remove(pdev); } /* Main per-ring interrupt handler */ @@ -823,8 +819,8 @@ static struct platform_driver caam_jr_driver = { .pm = pm_ptr(&caam_jr_pm_ops), }, .probe = caam_jr_probe, - .remove = caam_jr_remove, - .shutdown = caam_jr_platform_shutdown, + .remove_new = caam_jr_remove, + .shutdown = caam_jr_remove, }; static int __init jr_driver_init(void) |