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when parsing invalid IRQ value To: Pei Xiao , James.Bottomley@HansenPartnership.com, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org References: <53b759a86aafd200d7477675a77a0fae9dbf188f.1786937310.git.xiaopei01@kylinos.cn> Content-Language: en-US From: Helge Deller Autocrypt: addr=deller@gmx.de; keydata= xsFNBF3Ia3MBEAD3nmWzMgQByYAWnb9cNqspnkb2GLVKzhoH2QD4eRpyDLA/3smlClbeKkWT HLnjgkbPFDmcmCz5V0Wv1mKYRClAHPCIBIJgyICqqUZo2qGmKstUx3pFAiztlXBANpRECgwJ r+8w6mkccOM9GhoPU0vMaD/UVJcJQzvrxVHO8EHS36aUkjKd6cOpdVbCt3qx8cEhCmaFEO6u CL+k5AZQoABbFQEBocZE1/lSYzaHkcHrjn4cQjc3CffXnUVYwlo8EYOtAHgMDC39s9a7S90L 69l6G73lYBD/Br5lnDPlG6dKfGFZZpQ1h8/x+Qz366Ojfq9MuuRJg7ZQpe6foiOtqwKym/zV dVvSdOOc5sHSpfwu5+BVAAyBd6hw4NddlAQUjHSRs3zJ9OfrEx2d3mIfXZ7+pMhZ7qX0Axlq Lq+B5cfLpzkPAgKn11tfXFxP+hcPHIts0bnDz4EEp+HraW+oRCH2m57Y9zhcJTOJaLw4YpTY GRUlF076vZ2Hz/xMEvIJddRGId7UXZgH9a32NDf+BUjWEZvFt1wFSW1r7zb7oGCwZMy2LI/G aHQv/N0NeFMd28z+deyxd0k1CGefHJuJcOJDVtcE1rGQ43aDhWSpXvXKDj42vFD2We6uIo9D 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passed via the "eisa_irq_edge=3D" kernel > command line parameter (e.g. "eisa_irq_edge=3D16,5"), eisa_irq_setup() > prints an error message and continues without advancing the current > position. As a result the same invalid value is parsed again and > again, causing an infinite loop while the kernel boots. >=20 > Advance to the next comma-separated entry, or stop parsing when there > is no next entry, before continuing so that the remaining entries are > processed normally. >=20 > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Signed-off-by: Pei Xiao > --- > drivers/parisc/eisa.c | 5 +++++ > 1 file changed, 5 insertions(+) applied. Thanks! Helge