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[PATCH v6 05/11] SD (Secure Card): introduce ERRP_AUTO_PROPAGATE
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v6 05/11] SD (Secure Card): introduce ERRP_AUTO_PROPAGATE |
Date: |
Fri, 10 Jan 2020 22:41:52 +0300 |
If we want to add some info to errp (by error_prepend() or
error_append_hint()), we must use the ERRP_AUTO_PROPAGATE macro.
Otherwise, this info will not be added when errp == &error_fatal
(the program will exit prior to the error_append_hint() or
error_prepend() call). Fix such cases.
If we want to check error after errp-function call, we need to
introduce local_err and then propagate it to errp. Instead, use
ERRP_AUTO_PROPAGATE macro, benefits are:
1. No need of explicit error_propagate call
2. No need of explicit local_err variable: use errp directly
3. ERRP_AUTO_PROPAGATE leaves errp as is if it's not NULL or
&error_fatal, this means that we don't break error_abort
(we'll abort on error_set, not on error_propagate)
This commit is generated by command
sed -n '/^SD (Secure Card)$/,/^$/{s/^F: //p}' \
MAINTAINERS | \
xargs git ls-files | grep '\.[hc]$' | \
xargs spatch \
--sp-file scripts/coccinelle/auto-propagated-errp.cocci \
--macro-file scripts/cocci-macro-file.h \
--in-place --no-show-diff --max-width 80
Reported-by: Kevin Wolf <address@hidden>
Reported-by: Greg Kurz <address@hidden>
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
---
hw/sd/sdhci-pci.c | 7 +++----
hw/sd/sdhci.c | 21 +++++++++------------
2 files changed, 12 insertions(+), 16 deletions(-)
diff --git a/hw/sd/sdhci-pci.c b/hw/sd/sdhci-pci.c
index 2c8d8f59b5..b1448cf22e 100644
--- a/hw/sd/sdhci-pci.c
+++ b/hw/sd/sdhci-pci.c
@@ -29,13 +29,12 @@ static Property sdhci_pci_properties[] = {
static void sdhci_pci_realize(PCIDevice *dev, Error **errp)
{
+ ERRP_AUTO_PROPAGATE();
SDHCIState *s = PCI_SDHCI(dev);
- Error *local_err = NULL;
sdhci_initfn(s);
- sdhci_common_realize(s, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ sdhci_common_realize(s, errp);
+ if (*errp) {
return;
}
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c
index 18c0c052ce..ca258572b3 100644
--- a/hw/sd/sdhci.c
+++ b/hw/sd/sdhci.c
@@ -1293,7 +1293,7 @@ static const MemoryRegionOps sdhci_mmio_ops = {
static void sdhci_init_readonly_registers(SDHCIState *s, Error **errp)
{
- Error *local_err = NULL;
+ ERRP_AUTO_PROPAGATE();
switch (s->sd_spec_version) {
case 2 ... 3:
@@ -1304,9 +1304,8 @@ static void sdhci_init_readonly_registers(SDHCIState *s,
Error **errp)
}
s->version = (SDHC_HCVER_VENDOR << 8) | (s->sd_spec_version - 1);
- sdhci_check_capareg(s, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ sdhci_check_capareg(s, errp);
+ if (*errp) {
return;
}
}
@@ -1337,11 +1336,10 @@ void sdhci_uninitfn(SDHCIState *s)
void sdhci_common_realize(SDHCIState *s, Error **errp)
{
- Error *local_err = NULL;
+ ERRP_AUTO_PROPAGATE();
- sdhci_init_readonly_registers(s, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ sdhci_init_readonly_registers(s, errp);
+ if (*errp) {
return;
}
s->buf_maxsz = sdhci_get_fifolen(s);
@@ -1461,13 +1459,12 @@ static void sdhci_sysbus_finalize(Object *obj)
static void sdhci_sysbus_realize(DeviceState *dev, Error **errp)
{
+ ERRP_AUTO_PROPAGATE();
SDHCIState *s = SYSBUS_SDHCI(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
- Error *local_err = NULL;
- sdhci_common_realize(s, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
+ sdhci_common_realize(s, errp);
+ if (*errp) {
return;
}
--
2.21.0
- [PATCH v6 00/11] error: auto propagated local_err part I, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 06/11] pflash: introduce ERRP_AUTO_PROPAGATE, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 08/11] virtio-9p: introduce ERRP_AUTO_PROPAGATE, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 10/11] nbd: introduce ERRP_AUTO_PROPAGATE, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 04/11] hw/sd/ssi-sd: fix error handling in ssi_sd_realize, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 05/11] SD (Secure Card): introduce ERRP_AUTO_PROPAGATE,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v6 09/11] TPM: introduce ERRP_AUTO_PROPAGATE, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 01/11] qapi/error: add (Error **errp) cleaning APIs, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 03/11] scripts: add coccinelle script to use auto propagated errp, Vladimir Sementsov-Ogievskiy, 2020/01/10
- [PATCH v6 02/11] error: auto propagated local_err, Vladimir Sementsov-Ogievskiy, 2020/01/10