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auxdisplay: arm-charlcd: fix release_mem_region() size

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It seems like, after the request_mem_region(), the corresponding
release_mem_region() must take the same size. This was done
in (now removed due to previous refactoring) charlcd_remove()
but not in the error path in charlcd_probe().

Fixes: ce8962455e ("ARM: 6214/2: driver for the character LCD found in ARM refdesigns")
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Thomas Fourier 2025-12-16 18:47:13 +01:00 committed by Andy Shevchenko
parent 8f0b4cce44
commit b5c23a4d29
1 changed files with 1 additions and 1 deletions
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2
drivers/auxdisplay/arm-charlcd.c
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@ -323,7 +323,7 @@ static int __init charlcd_probe(struct platform_device *pdev)
out_no_irq:
iounmap(lcd->virtbase);
out_no_memregion:
release_mem_region(lcd->phybase, SZ_4K);
release_mem_region(lcd->phybase, lcd->physize);
out_no_resource:
kfree(lcd);
return ret;