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| author |   Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-12-17 22:54:12 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2021-12-20 11:54:05 +1100 |
| commit | 2fe4ca6ad7f6a0b98f97c498320051e5066e4b95 (patch) | |
| tree | f1a0e24307058af1573f2fb95185e97cc5fd44aa | |
| parent | selftests/powerpc: skip tests for unavailable mitigations. (diff) | |
| download | linux-dev-2fe4ca6ad7f6a0b98f97c498320051e5066e4b95.tar.xz linux-dev-2fe4ca6ad7f6a0b98f97c498320051e5066e4b95.zip | |
powerpc/mpic: Use bitmap_zalloc() when applicable
'mpic->protected' is a bitmap. So use 'bitmap_zalloc()' to simplify
code and improve the semantic, instead of hand writing it.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/aa145f674e08044c98f13f1a985faa9cc29c3708.1639777976.git.christophe.jaillet@wanadoo.fr
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 995fb2ada507..626ba4a9f64f 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1323,8 +1323,7 @@ struct mpic * __init mpic_alloc(struct device_node *node, psrc = of_get_property(mpic->node, "protected-sources", &psize); if (psrc) { /* Allocate a bitmap with one bit per interrupt */ - unsigned int mapsize = BITS_TO_LONGS(intvec_top + 1); - mpic->protected = kcalloc(mapsize, sizeof(long), GFP_KERNEL); + mpic->protected = bitmap_zalloc(intvec_top + 1, GFP_KERNEL); BUG_ON(mpic->protected == NULL); for (i = 0; i < psize/sizeof(u32); i++) { if (psrc[i] > intvec_top) |