diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0333-bcm2835-mmc-Handle-mmc_add_host-errors.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0333-bcm2835-mmc-Handle-mmc_add_host-errors.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0333-bcm2835-mmc-Handle-mmc_add_host-errors.patch b/target/linux/bcm27xx/patches-4.19/950-0333-bcm2835-mmc-Handle-mmc_add_host-errors.patch new file mode 100644 index 0000000000..3762f4b70a --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0333-bcm2835-mmc-Handle-mmc_add_host-errors.patch @@ -0,0 +1,35 @@ +From 2e2f57e09e1ace18ae01a87d9fc4378c96c54370 Mon Sep 17 00:00:00 2001 +From: Lukas Wunner <lukas@wunner.de> +Date: Tue, 22 Jan 2019 12:29:45 +0100 +Subject: [PATCH] bcm2835-mmc: Handle mmc_add_host() errors + +The BCM2835 MMC host driver calls mmc_add_host() but doesn't check its +return value. Errors occurring in that function are therefore not +handled. Fix it. + +Signed-off-by: Lukas Wunner <lukas@wunner.de> +Cc: Frank Pavlic <f.pavlic@kunbus.de> +--- + drivers/mmc/host/bcm2835-mmc.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/drivers/mmc/host/bcm2835-mmc.c ++++ b/drivers/mmc/host/bcm2835-mmc.c +@@ -1398,10 +1398,16 @@ static int bcm2835_mmc_add_host(struct b + } + + mmiowb(); +- mmc_add_host(mmc); ++ ret = mmc_add_host(mmc); ++ if (ret) { ++ dev_err(dev, "could not add MMC host\n"); ++ goto free_irq; ++ } + + return 0; + ++free_irq: ++ free_irq(host->irq, host); + untasklet: + tasklet_kill(&host->finish_tasklet); + |