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| author |   Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2019-08-01 10:32:42 +0200 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2019-08-15 22:52:55 +1000 |
| commit | fd3806562f450a6189c31e0d2cb9cd4b208dcf2d (patch) | |
| tree | 00fe3832b9adbeba52ce6facbfa93efc61a2f13a /arch/powerpc/sysdev/xive/spapr.c | |
| parent | powerpc/xive: Use GFP_KERNEL instead of GFP_ATOMIC in 'xive_irq_bitmap_add()' (diff) | |
| download | linux-dev-fd3806562f450a6189c31e0d2cb9cd4b208dcf2d.tar.xz linux-dev-fd3806562f450a6189c31e0d2cb9cd4b208dcf2d.zip | |
powerpc/xive: Add a check for memory allocation failure
The result of this kzalloc is not checked. Add a check and corresponding
error handling code.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/cc53462734dfeaf15b6bad0e626b483de18656b4.1564647619.git.christophe.jaillet@wanadoo.fr
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/sysdev/xive/spapr.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c index b4f5eb9e0f82..52198131c75e 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -53,6 +53,10 @@ static int xive_irq_bitmap_add(int base, int count) xibm->base = base; xibm->count = count; xibm->bitmap = kzalloc(xibm->count, GFP_KERNEL); + if (!xibm->bitmap) { + kfree(xibm); + return -ENOMEM; + } list_add(&xibm->list, &xive_irq_bitmaps); pr_info("Using IRQ range [%x-%x]", xibm->base, |